Run intellij code clean up on all source files

[smyrick]

📝 Description

Clean up unused files and remove redundant code blocks or deprecated functions

[codecov-io]

Codecov Report

Merging #379 into master will increase coverage by 0.08%.
The diff coverage is 100%.

@@             Coverage Diff              @@
##             master     #379      +/-   ##
============================================
+ Coverage     97.67%   97.75%   +0.08%     
  Complexity      316      316              
============================================
  Files           104      103       -1     
  Lines          1204     1203       -1     
  Branches        198      198              
============================================
  Hits           1176     1176              
+ Misses            9        8       -1     
  Partials         19       19

Impacted Files	Coverage Δ	Complexity Δ
...up/graphql/spring/execution/SubscriptionHandler.kt	100% <ø> (ø)	0 <0> (ø)	⬇️
.../expediagroup/graphql/generator/SchemaGenerator.kt	100% <ø> (ø)	23 <0> (ø)	⬇️
...raphql/federation/FederatedSchemaGeneratorHooks.kt	100% <100%> (ø)	7 <0> (ø)	⬇️
...expediagroup/graphql/spring/RoutesConfiguration.kt	100% <100%> (ø)	8 <0> (ø)	⬇️

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