PyUtils: remove use of RecFlags in MetaReaderPeeker

Remove the usage of the obsolete RecFlags in MetaReaderPeeker and delete unused methods. Note that there are only very few places left where this class is used. They should be migrated to use MetaReader directly.

added Legacy Config Removal full-unit-tests labels

This merge request affects 1 package:

• Tools/PyUtils

This merge request affects 1 file:

• Tools/PyUtils/python/MetaReaderPeeker.py

added 24.0 Tools review-pending-level-1 labels

CI Result SUCCESS (hash 34da2b0a)

	Athena	AthSimulation
externals
cmake
make
tests

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AthSimulation: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST-EL9 5807] (remote access info)

The changes are straightforward and there are no issues with the CI. Approving from L1.

added review-approved label and removed review-pending-level-1 label

added review-approved-point1 label

added review-approved-tier0 label

mentioned in commit a1c29dd7

merged

mentioned in merge request !69618 (merged)