Merge branch 'cmake2.AthenaCommon-20201020' into 'master'

AthenaCommon: cmake fix

See merge request atlas/athena!37455

Control/AthenaCommon/CMakeLists.txt

@@ -13,7 +13,7 @@ atlas_install_python_modules( python/*.py python/Utils
                               POST_BUILD_CMD ${ATLAS_FLAKE8} )
 atlas_install_joboptions( share/Preparation.py share/Execution.py share/Atlas.UnixStandardJob.py test/*.py 
                           share/zeroJO.py share/Atlas_Gen.UnixStandardJob.py share/MemTraceInclude.py share/runbatch.py)
-atlas_install_scripts( share/athena.py share/athena3.py share/athena_preload.sh share/chappy.py share/test_cfg_pickling.py share/ThinCAWrapper.sh)
+atlas_install_scripts( share/athena.py share/athena_preload.sh share/chappy.py share/test_cfg_pickling.py share/ThinCAWrapper.sh)
 atlas_install_runtime(share/*.pkl)
 
 # Aliases: