fix: remove recursive traversal for ban-name

[incendial]

What is the purpose of this pull request? (put an "X" next to an item)

• Documentation update
• Bug fix
• New rule
• Changes an existing rule
• Add autofixing to a rule
• Add a CLI option
• Add something to the core
• Other, please explain:

#1087

[sonarqubecloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
No Duplication information

[github-actions]

Dart Code Metrics unused files report of dart_code_metrics. ✅

Summary

• Scanned package folders: bin, example, lib
• No unused files found! ✅

[github-actions]

Dart Code Metrics analyze report of dart_code_metrics. ✅

Summary

• Scanned folders: bin, example, lib, test

• Total scanned files: 526

• Total lines of source code: 9339

• Total classes: 397

• Average Cyclomatic Number per line of code: 0.37 / 2

• Average Source Lines of Code per method: 6

• Total tech debt: 1920.0 hours

• Found issues: 5 ⚠

[codecov]

Codecov Report

Merging #1090 (81b7380) into master (c4a9ad3) will increase coverage by 0.01%.
The diff coverage is 91.17%.

@@            Coverage Diff             @@
##           master    #1090      +/-   ##
==========================================
+ Coverage   84.89%   84.91%   +0.01%     
==========================================
  Files         333      333              
  Lines        7331     7332       +1     
==========================================
+ Hits         6224     6226       +2     
+ Misses       1107     1106       -1     

Impacted Files	Coverage Δ
...nt_analyzer/rules/rules_list/ban_name/visitor.dart	81.25% <85.00%> (-0.81%)	⬇️
...lyzer/rules/rules_list/ban_name/ban_name_rule.dart	88.46% <100.00%> (+5.12%)	⬆️

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