Removed patched packages from DaVinci, to clean up for the new stack release.

• [2017-09-21 00:09] Validation started with lhcb-2016-patches#517
• [2017-09-22 00:10] Validation started with lhcb-2016-patches#518
• [2017-09-23 00:08] Validation started with lhcb-2016-patches#519
• [2017-09-24 00:09] Validation started with lhcb-2016-patches#520
• [2017-09-25 00:09] Validation started with lhcb-2016-patches#521
• [2017-09-26 00:10] Validation started with lhcb-2016-patches#522

merged

mentioned in commit 17e20a66