Enable Lint Rule: unused-receiver

[FlamingSaint]

Which problem is this PR solving?

• Partial Fix for Enable more revive linter rules #5506

Description of the changes

• Enabled unused-receiver in revive linter
• Removed receiver names which are not used in functions

How was this change tested?

• make lint make test

Checklist

• I have read https://github.com/jaegertracing/jaeger/blob/master/CONTRIBUTING_GUIDELINES.md
• I have signed all commits
• I have added unit tests for the new functionality
• I have run lint and test steps successfully
  • for jaeger: make lint test
  • for jaeger-ui: yarn lint and yarn test

[FlamingSaint]

I removed the receiver name itself instead of using ( _ ) . Is that okay ?

[codecov]

Codecov Report

Attention: Patch coverage is 97.08029% with 4 lines in your changes are missing coverage. Please review.

Project coverage is 96.19%. Comparing base (f2b46d4) to head (2b28f91).
Report is 5 commits behind head on main.

Files	Patch %	Lines
cmd/collector/app/server/test.go	25.00%	3 Missing ⚠️
pkg/discovery/grpcresolver/grpc_resolver.go	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #5521      +/-   ##
==========================================
- Coverage   96.19%   96.19%   -0.01%     
==========================================
  Files         327      327              
  Lines       16012    16011       -1     
==========================================
- Hits        15403    15401       -2     
  Misses        435      435              
- Partials      174      175       +1     

Flag	Coverage Δ
badger_v1	8.05% <8.97%> (+<0.01%)	⬆️
badger_v2	1.93% <5.19%> (+<0.01%)	⬆️
cassandra-3.x-v1	16.43% <14.10%> (+<0.01%)	⬆️
cassandra-3.x-v2	1.85% <5.19%> (+<0.01%)	⬆️
cassandra-4.x-v1	16.43% <14.10%> (+<0.01%)	⬆️
cassandra-4.x-v2	1.85% <5.19%> (+<0.01%)	⬆️
elasticsearch-7-v1	18.88% <19.23%> (-0.01%)	⬇️
elasticsearch-8-v1	19.07% <19.23%> (-0.01%)	⬇️
elasticsearch-8-v2	19.08% <19.23%> (+<0.01%)	⬆️
grpc_v1	9.48% <11.53%> (+<0.01%)	⬆️
grpc_v2	7.53% <10.38%> (+<0.01%)	⬆️
kafka	9.78% <6.41%> (+<0.01%)	⬆️
opensearch-1-v1	18.93% <19.23%> (-0.01%)	⬇️
opensearch-2-v1	18.94% <19.23%> (+<0.01%)	⬆️
opensearch-2-v2	18.94% <19.23%> (+<0.01%)	⬆️
unittests	93.88% <97.08%> (-0.01%)	⬇️

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[yurishkuro]

Nice cleanup!