Merge pull request #8205 from fstagni/80_deprecate_kill_pilot

[8.0] added deprecation notice for killPilot

Author: fstagni

src/DIRAC/WorkloadManagementSystem/Service/PilotManagerHandler.py

@@ -339,6 +339,7 @@ def export_getPilots(cls, jobID):
     types_killPilot = [[str, list]]
 
     @classmethod
+    @deprecated("Removed from DIRAC v9 (use DIRAC.Interfaces.API.DiracAdmin.DiracAdmin().killPilot() instead)")
     def export_killPilot(cls, pilotRefList):
         """Kill the specified pilots"""
         # Make a list if it is not yet