refactor: FIT-1113: remove feature flag fflag_feat_optic_67_drag_and_drop_charts

[luarmr]

Remove Feature Flag fflag_feat_optic_67_drag_and_drop_charts set value to True
Is being stale for a while

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[Copilot]

Pull request overview

This PR removes the stale feature flag fflag_feat_optic_67_drag_and_drop_charts from the stale feature flags dictionary. The feature flag was set to True and has been stale for a while, making it safe to remove.

• Removes fflag_feat_optic_67_drag_and_drop_charts entry from the STALE_FEATURE_FLAGS dictionary

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 81.35%. Comparing base (373c26b) to head (d717b74).
⚠️ Report is 5 commits behind head on develop.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@             Coverage Diff              @@
##           develop    #8973       +/-   ##
============================================
+ Coverage    66.60%   81.35%   +14.75%     
============================================
  Files          828      267      -561     
  Lines        64618    24062    -40556     
  Branches     10986        0    -10986     
============================================
- Hits         43037    19575    -23462     
+ Misses       21577     4487    -17090     
+ Partials         4        0        -4     

Flag	Coverage Δ
lsf-e2e	?
lsf-integration	?
lsf-unit	?
pytests	81.35% <ø> (ø)

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