AthenaPython: delete copy_file and read_file utilities

Delete the copy_file and read_file utilities that rely on the deleted RecExCommon.

added Legacy Config Removal full-unit-tests labels

This merge request affects 1 package:

• Control/AthenaPython

This merge request affects 4 files:

• Control/AthenaPython/share/copy_file.py
• Control/AthenaPython/share/icopy_file.py
• Control/AthenaPython/share/iread_file.py
• Control/AthenaPython/share/read_file.py

Adding @maszyman ,@ssnyder ,@gemmeren as watchers

added 24.0 Core review-pending-level-1 labels

CI Result SUCCESS (hash e647887d)

	Athena	AthSimulation
externals
cmake
make
tests

Full details available on this CI monitor view. Check the JIRA CI status board for known problems
Athena: number of compilation errors 0, warnings 0
AthSimulation: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST-EL9 6839] (remote access info)

Changes are straight forward and CI succeeds, approving for L1.

removed review-pending-level-1 label

added review-approved label

added review-approved-tier0 label

mentioned in commit e56f0462

merged

mentioned in merge request !70026 (merged)