Split up only the Bu2LLKLine2 for PIDe in [-5,0]

Aim to improve the situation arised from !1796 (merged)

Please comment if we can go for it, and we can fix the issues arose in previous MR @clangenb , @rsilvaco , @vlisovsk , @mborsato

Rate of the lines observed on 10k events. 100k was taking too long.

StrippingReport                                                INFO Event 10000, Good event 10000
 |                                              *Decision name*|*Rate,%*|*Accepted*| *Mult*|*ms/evt*|
 |_StrippingGlobal_                                            |  3.5000|       350|       |  38.448|
 |_StrippingSequenceStreamDimuon_                              |  0.1100|        11|       |   2.703|
 |!StrippingBu2LLK_mmLine_fulldst                              |  0.0600|         6|  2.167|   0.920|
 |!StrippingBu2LLK_mmLine_fullds_TIMING                        |  0.0800|         8|  1.875|   0.767|
 |_StrippingSequenceStreamBhadronCompleteEvent_                |  0.1100|        11|       |   3.359|
 |!StrippingBu2LLK_eeLine_fulldst                              |  0.0300|         3|  3.333|   0.955|
 |!StrippingBu2LLK_eeLine2_fulldst                             |  0.0200|         2|  3.500|   0.759|
 |!StrippingBu2LLK_meLine_fulldst                              |  0.0200|         2|  2.000|   0.239|
 |!StrippingBu2LLK_eeLine_fullds_TIMING                        |  0.0200|         2|  1.500|   0.560|
 |!StrippingBu2LLK_eeLine2_fullds_TIMING                       |  0.0100|         1|  2.000|   0.455|
 |!StrippingBu2LLK_meLine_fullds_TIMING                        |  0.0500|         5|  2.000|   0.225|
 |_StrippingSequenceStreamLeptonic_                            |  3.5000|       350|       |  30.049|
 |!StrippingBu2LLK_eeLine                                      |  0.1100|        11|  2.000|   1.659|
 |!StrippingBu2LLK_eeLine2                                     |  0.1200|        12|  1.833|   2.621|
 |!StrippingBu2LLK_eeLine2_extra                               |  0.0800|         8|  1.875|   0.185|
 |!StrippingBu2LLK_eeInvPIDLine2                               |  0.8700|        87|  2.897|   1.863|
 |!StrippingBu2LLK_eeInvPIDLine2_extra                         |  0.5900|        59|  5.203|   0.756|
 |!StrippingBu2LLK_eeLine3                                     |  0.1800|        18|  2.444|   4.600|
 |!StrippingBu2LLK_eeLine4                                     |  0.1400|        14|  1.857|   0.709|
 |!StrippingBu2LLK_eeLine_extra                                |  0.0800|         8|  2.375|   0.096|
 |!StrippingBu2LLK_eeSSLine2                                   |  0.0700|         7|  1.857|   0.471|
 |!StrippingBu2LLK_meLine                                      |  0.2500|        25|  2.080|   0.333|
 |!StrippingBu2LLK_meSSLine                                    |  0.0900|         9|  3.111|   0.172|
 |!StrippingBu2LLK_mmLine                                      |  0.2400|        24|  2.000|   0.239|
 |!StrippingBu2LLK_mmLine_extra                                |  0.1300|        13|  1.692|   0.085|
 |!StrippingBu2LLK_mmSSLine                                    |  0.0400|         4|  2.500|   0.116|
 |!StrippingBu2LLK_mtLine                                      |  0.0900|         9|  2.111|   0.131|
 |!StrippingBu2LLK_mtSSLine                                    |  0.0800|         8|  2.500|   0.063|
 |!StrippingBu2LLK_mm_K3piLine                                 |  0.0900|         9|  1.778|   0.164|
 |!StrippingBu2LLK_ee_K3piLine                                 |  0.9300|        93| 12.828|   3.214|
 |!StrippingBu2LLK_mm_Lb2pkmmLooseLine                         |  0.1100|        11|  4.364|   0.785|
 |!StrippingBu2LLK_me_Lb2pkmeLooseLine                         |  0.2900|        29|  2.690|   0.831|
 |!StrippingBu2LLK_meSS_Lb2pkmeSSLooseLine                     |  0.2900|        29|  1.828|   0.490|
 |!StrippingBu2LLK_ee_Lb2pkeeLooseLine                         |  0.1400|        14|  1.571|   0.795|
 |!StrippingBu2LLK_mm_Lb2KsppimmLooseLine                      |  0.1400|        14|  8.286|   1.042|
 |!StrippingBu2LLK_ee_Lb2KsppieeLooseLine                      |  0.1300|        13|  3.077|   0.251|
 |!StrippingBu2LLK_eeLine_TIMING                               |  0.1100|        11|  2.000|   0.084|
 |!StrippingBu2LLK_eeLine2_TIMING                              |  0.1200|        12|  1.833|   0.093|
 |!StrippingBu2LLK_eeLine2_extra_TIMING                        |  0.0800|         8|  1.875|   0.058|
 |!StrippingBu2LLK_eeInvPIDLine2_TIMING                        |  0.8700|        87|  2.897|   0.559|
 |!StrippingBu2LLK_eeInvPIDLine2_extra_TIMING                  |  0.5800|        58|  5.293|   0.370|
 |!StrippingBu2LLK_eeLine3_TIMING                              |  0.1800|        18|  2.444|   0.134|
 |!StrippingBu2LLK_eeLine4_TIMING                              |  0.1400|        14|  1.857|   0.107|
 |!StrippingBu2LLK_eeLine_extra_TIMING                         |  0.0800|         8|  2.375|   0.072|
 |!StrippingBu2LLK_eeSSLine2_TIMING                            |  0.0700|         7|  1.857|   0.064|
 |!StrippingBu2LLK_meLine_TIMING                               |  0.2500|        25|  2.080|   0.174|
 |!StrippingBu2LLK_meSSLine_TIMING                             |  0.0900|         9|  3.111|   0.113|
 |!StrippingBu2LLK_mmLine_TIMING                               |  0.2400|        24|  2.000|   0.125|
 |!StrippingBu2LLK_mmLine_extra_TIMING                         |  0.1300|        13|  1.692|   0.047|
 |!StrippingBu2LLK_mmSSLine_TIMING                             |  0.0400|         4|  2.500|   0.054|
 |!StrippingBu2LLK_mtLine_TIMING                               |  0.0800|         8|  2.375|   0.058|
 |!StrippingBu2LLK_mtSSLine_TIMING                             |  0.0700|         7|  2.857|   0.059|
 |!StrippingBu2LLK_mm_K3piLine_TIMING                          |  0.0900|         9|  1.778|   0.159|
 |!StrippingBu2LLK_ee_K3piLine_TIMING                          |  0.9300|        93| 12.828|   3.213|
 |!StrippingBu2LLK_mm_Lb2pkmmLooseLine_TIMING                  |  0.1100|        11|  4.364|   0.272|
 |!StrippingBu2LLK_me_Lb2pkmeLooseLine_TIMING                  |  0.2900|        29|  2.690|   0.454|
 |!StrippingBu2LLK_meSS_Lb2pkmeSSLooseLine_TIMING              |  0.2900|        29|  1.828|   0.366|
 |!StrippingBu2LLK_ee_Lb2pkeeLooseLine_TIMING                  |  0.1400|        14|  1.571|   0.157|
 |!StrippingBu2LLK_mm_Lb2KsppimmLooseLine_TIMING               |  0.1400|        14|  8.286|   0.978|
 |!StrippingBu2LLK_ee_Lb2KsppieeLooseLine_TIMING               |  0.1300|        13|  3.077|   0.179|

The rates obtained from the testing on 2018, with PIDe > -5 ,0 lines added :

• StrippingBu2LLK_eeInvPIDLine2
• StrippingBu2LLK_eeInvPIDLine2_extra