Clean up the way that different parts of the code add labels.
Clean up the way that different parts of the code add labels.

arthurdarcet/fluent-plugin-google-cloud,GoogleCloudPlatform/fluent-plugin-google-cloud,senthilkumar-kj/fluent-plugin-google-cloud,swalkowski/fluent-plugin-google-cloud,a-robinson/fluent-plugin-google-cloud,laramiel/fluent-plugin-google-cloud,cosmo0920/fluent-plugin-google-cloud