OZG-6751 Code cleanup

api/proto/information.model.proto

api/proto/information.proto

buf.gen.yaml

info-manager-proxy/main.go

internal/config/config_test.go

internal/config/testdata/test_config.yml

internal/logging/logger_test.go

internal/logging/testdata/test_config.yml

internal/mock/globals.go

internal/mock/grpc_server.go

internal/mock/grpc_server_test.go

internal/mock/test_setup.go

internal/mock/testdata/test_config.yml

internal/server/globals.go

internal/server/handler.go

internal/server/handler_test.go

internal/server/http_gateway.go

internal/server/http_gateway_test.go

internal/server/middleware.go

internal/server/middleware_test.go