chore: remove stale code

[rishabh3112]

What kind of change does this PR introduce?
chore

Did you add tests for your changes?
N/A

If relevant, did you update the documentation?
N/A

Summary
Remove stale code, responsible for optimization config

Does this PR introduce a breaking change?
No

Other information
No

[codecov]

Codecov Report

Merging #2337 (9396e94) into master (b6884fa) will increase coverage by 0.08%.
The diff coverage is 87.50%.

@@            Coverage Diff             @@
##           master    #2337      +/-   ##
==========================================
+ Coverage   68.10%   68.19%   +0.08%     
==========================================
  Files          52       51       -1     
  Lines        2060     2053       -7     
  Branches      507      506       -1     
==========================================
- Hits         1403     1400       -3     
+ Misses        657      653       -4     

Impacted Files	Coverage Δ
packages/generators/addon-template/package.json.js	100.00% <ø> (ø)
packages/generators/init-template/package.json.js	100.00% <ø> (ø)
packages/generators/init-template/tsconfig.json.js	100.00% <ø> (ø)
packages/generators/src/types/index.ts	100.00% <ø> (ø)
packages/generators/src/utils/index.ts	100.00% <ø> (ø)
packages/generators/src/init-generator.ts	90.00% <83.33%> (ø)
packages/configtest/src/index.ts	94.73% <100.00%> (ø)
packages/generators/src/addon-generator.ts	94.11% <100.00%> (ø)

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