[SIGMON-445] min pic timestamp

Context

• task: https://its.cern.ch/jira/browse/SIGMON-445
• lhc-sm-hwc merge request: lhc-sm-hwc!137 (closed)
• lhc-sm-notebook merge request: lhc-sm-notebook!32 (closed)
• lhc-sm-pic merge request: https://gitlab.cern.ch/LHCData/lhc-sm-analysis/lhc-sm-pic/-/merge_requests/10

What was done

• the old pic analysis code was removed

TODO

• ?

QA

• http://sonar.cern.ch/project/issues?branch=SIGMON-445_min_pic_timestamp&id=lhc-sm-api&resolved=false
• no tests, the code was removed

Review objectives

• ?