cargo-rail: fixing .gitignore

Author: loadingalias

.gitignore

@@ -27,16 +27,6 @@ AGENTS.md
 
 # Notes
 TODO.md
-AUDIT_CHECKLIST.md
-AUDIT_REPORTS.md
-MAINTAINABILITY_AUDIT.md
-MAINTAINABILITY_SUMMARY.txt
-PERFORMANCE_ANALYSIS.md
-PERFORMANCE_OPPORTUNITIES.csv
-PERFORMANCE_SUMMARY.txt
 
 # Documentation
-docs/RELEASE_GUIDE.md
-docs/SECURITY.md
-docs/USER_GUIDE.md
-docs/GIT_NOTES_CONFLICT_RESOLUTION.md
+docs/*