Remove unused method ProjectGroupLink#owner_access?

Summary

Removes the unused method ProjectGroupLink#owner_access? from app/models/project_group_link.rb.

Related to #542966 (closed)

Verification

This method was verified as unused by:

• keela --type methods flagged it as unused
• Grep search found no callers in app/, lib/, ee/app/, ee/lib/ (excluding its own definition and spec)
• No metaprogramming patterns reference it (no symbol reference, send, or public_send); no EE prepend override; no API entity or view usage
• Not a Rails convention method
• Not a callback

Cascade Removals

None - this was a standalone removal.

Metrics

Source File Complexity (flog)

Metric	Before	After	Improvement
File flog total	61.3	57.4	-3.9 (6%)
Method flog score	3.9	N/A	-3.9 removed

Spec File Complexity (flog)

Metric	Before	After	Improvement
Spec file flog total	202.2	181.2	-21.0 (10%)
Spec block flog score	20.9	N/A	-20.9 removed

Combined Flog Summary

File	Flog Removed
app/models/project_group_link.rb	3.9
spec/models/project_group_link_spec.rb	20.9
Total	3.9 + 20.9 = 24.8

Test Suite Impact

• Specs removed: 2 examples
• Spec file: spec/models/project_group_link_spec.rb
• Time saved per run: 2.31 seconds

Estimated CI Savings

Estimate	Pipelines/Month	Time Saved	Cost Saved/Month	Cost Saved/Year
Pessimistic	15,000	9.63 hrs/month	$17.33	$207.90
Moderate	30,000	19.25 hrs/month	$34.65	$415.80
Optimistic	50,000	32.08 hrs/month	$57.75	$693.00

Based on 2.31 seconds saved per pipeline × $0.03/minute (large runners: 3x cost factor on $10/1000 base minutes)

Files Modified

• app/models/project_group_link.rb (method removed - 4 lines)
• spec/models/project_group_link_spec.rb (specs removed - 14 lines, 2 examples)
• scripts/lint/keela_baseline.yml (entry removed - 2 lines)

Related

• Related to #542966 (closed) (Improve unused helper methods workflow)
• Part of dead code cleanup effort
• Method was listed in scripts/lint/keela_baseline.yml