De-duplicate EE spec locations

From !27556 (merged)

Resolve duplicate specs found from DuplicateSpecLocation cop

• ee/spec/controllers/groups_controller_spec.rb !27874 (merged)
• ee/spec/controllers/projects/jobs_controller_spec.rb !27948 (merged)
• ee/spec/helpers/auth_helper_spec.rb !27949 (merged)
• ee/spec/lib/gitlab/gl_repository_spec.rb !27952 (merged)
• ee/spec/lib/gitlab/usage_data_spec.rb !27953 (merged)
• ee/spec/models/namespace_spec.rb !28613 (merged)
• ee/spec/models/note_spec.rb (!28216 (merged))
• ee/spec/serializers/environment_entity_spec.rb, !28222 (merged)
• ee/spec/services/issues/create_service_spec.rb !28213 (merged)
• ee/spec/services/merge_requests/create_service_spec.rb !28608 (merged)
• ee/spec/services/merge_requests/refresh_service_spec.rb !32995 (merged)
• ee/spec/services/merge_requests/update_service_spec.rb !28611 (merged)
• ee/spec/services/system_hooks_service_spec.rb, !28470 (merged)
• ee/spec/controllers/ee/groups_controller_spec.rb !27874 (merged)
• ee/spec/controllers/ee/projects/jobs_controller_spec.rb !27948 (merged)
• ee/spec/helpers/ee/auth_helper_spec.rb !27949 (merged)
• ee/spec/lib/ee/gitlab/gl_repository_spec.rb !27952 (merged)
• ee/spec/lib/ee/gitlab/usage_data_spec.rb !27953 (merged)
• ee/spec/models/ee/namespace_spec.rb !28613 (merged)
• ee/spec/models/ee/note_spec.rb !28216 (merged)
• ee/spec/serializers/ee/environment_entity_spec.rb, !28222 (merged)
• ee/spec/services/ee/issues/create_service_spec.rb !28213 (merged)
• ee/spec/services/ee/merge_requests/create_service_spec.rb !28608 (merged)
• ee/spec/services/ee/merge_requests/refresh_service_spec.rb !32995 (merged)
• ee/spec/services/ee/merge_requests/update_service_spec.rb !28611 (merged)
• ee/spec/services/ee/system_hooks_service_spec.rb, !28470 (merged)