remove useless nAPS in rb

.gitignore

 **/.sys.v#.*.ipynb/
 **.sys.v#.*
+
+.idea/

rb/nQPS_Viewer.ipynb

-%% Cell type:code id:driven-console tags:
-
-``` python
-from lhcsmapi.Time import Time
-from lhcsmapi.pyedsl.QueryBuilder import QueryBuilder
-
-circuit_type = 'RB'
-circuit_name = 'RB.A78'
-t_start = '2021-03-15 06:46:32.124000000'
-t_end = '2021-03-15 07:16:05.697000000'
-
-u_res_dfs = QueryBuilder().with_nxcals(spark) \
-    .with_duration(t_start=t_start, t_end=t_end) \
-    .with_circuit_type(circuit_type) \
-    .with_metadata(circuit_name=circuit_name, system='BUSBAR', signal='U_RES', wildcard={'BUSBAR': '*'}) \
-    .multi_signal_query() \
-    .synchronize_time(Time.to_unix_timestamp(t_start)) \
-    .convert_index_to_sec().dfs
-```
-
-%% Cell type:code id:fifty-direction tags:
-
-``` python
-i_meas_df = QueryBuilder().with_nxcals(spark) \
-    .with_duration(t_start=t_start, t_end=t_end) \
-    .with_circuit_type(circuit_type) \
-    .with_metadata(circuit_name=circuit_name, system='PC', signal='I_MEAS') \
-    .signal_query() \
-    .synchronize_time(Time.to_unix_timestamp(t_start)) \
-    .convert_index_to_sec().dfs[0]
-```
-
-%% Cell type:code id:authentic-advertising tags:
-
-``` python
-% matplotlib notebook
-ax = i_meas_df.plot(figsize=(13, 6.5), grid=True)
-ax2 = ax.twinx()
-for u_res_df in u_res_dfs:
-    u_res_df.plot(ax=ax2)
-
-ax.set_xlabel('t, [s]')
-ax.set_ylabel('I, [A]')
-ax2.set_ylabel('U_RES, [V]')
-```
-
-%% Cell type:code id:continued-problem tags:
-
-``` python
-```