refactor: remove commit pkg

pkg/analyzer/commit.go

pkg/analyzer/commit_analyzer.pb.go

pkg/analyzer/commit_analyzer.proto

pkg/analyzer/commit_analyzer_grpc.pb.go

pkg/analyzer/commit_analyzer_wrapper.go

pkg/analyzer/default.go

pkg/analyzer/default_test.go

pkg/analyzer/plugin/plugin.go

pkg/condition/condition.go

pkg/plugin/client.go

pkg/plugin/manager/manager.go

pkg/plugin/serve.go

pkg/plugin/wrapper/grpc.go