Remove unused code

[azinneera]

Purpose

Remove unused code

Check List

• [x] Read the Contributing Guide
• [ ] Updated Change Log
• [ ] Checked Tooling Support (#<Issue Number>)
• [ ] Added necessary tests
  • [ ] Unit Tests
  • [ ] Spec Conformance Tests
  • [ ] Integration Tests
  • [ ] Ballerina By Example Tests
• [ ] Increased Test Coverage
• [ ] Added necessary documentation
  • [ ] API documentation
  • [ ] Module documentation in Module.md files
  • [ ] Ballerina By Examples

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 77.20%. Comparing base (322d2cf) to head (b8a4619). Report is 93 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff            @@
##             master   #42739   +/-   ##
=========================================
  Coverage     77.19%   77.20%           
  Complexity    51288    51288           
=========================================
  Files          2929     2928    -1     
  Lines        204429   204401   -28     
  Branches      26669    26665    -4     
=========================================
- Hits         157812   157806    -6     
+ Misses        38054    38034   -20     
+ Partials       8563     8561    -2     

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