RecExOnline: delete unused hash_tool

Delete unused hash_tool and suppress flake8-bugbear warning.

This merge request affects 1 package:

• Reconstruction/RecExample/RecExOnline

This merge request affects 2 files:

• Reconstruction/RecExample/RecExOnline/python/hash_tool.py
• Reconstruction/RecExample/RecExOnline/python/test_statistics.py

Adding @goetz ,@thompson as watchers

added 24.0 Reconstruction review-pending-level-1 labels

CI Result SUCCESS (hash b6663479)

	Athena
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
For experts only: Jenkins output [CI-MERGE-REQUEST-EL9 8935] (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-tier0 label

mentioned in commit c197d40a

merged

mentioned in merge request !71094 (merged)