Fixing warnings in derivation jobs
This fixes a handful of warnings:
-) From EventInfoCnvTool, when certain truth collections are not available. This is expected in any job running on EVNT
-) In PrimmaryDPDFlags, some lines were duplicated (completely identical), leading to a warning when the flags are imported
-) In RecExCommon_flags, athena common flags values were checked independent of whether they had statusOn. Now the code checks for statusOn before checking the value of the flag
-) In Reco_tf.py, both digitization and overlay were loading the basic digitization flags into the transform. Now only the overlay portion does the loading of these flags.