Drop labels from the dockerfile

Dockerfile

@@ -12,15 +12,6 @@ ARG GITLAB_VERSION
 ARG GITLAB_USER=git
 ARG DNF_OPTS
 
-LABEL source="https://gitlab.com/gitlab-org/build/CNG/-/tree/master/gitlab-task-runner" \
-      name="GitLab Task Runner" \
-      maintainer="GitLab Distribution Team" \
-      vendor="GitLab" \
-      version=${GITLAB_VERSION} \
-      release=${GITLAB_VERSION} \
-      summary="Task Runner is an entry point for interaction with other containers in the cluster." \
-      description="Task Runner is an entry point for interaction with other containers in the cluster. It contains scripts for running Rake tasks, backup, restore, and tools to intract with object storage."
-
 ADD gitlab-task-runner-ee.tar.gz /
 ADD gitlab-python.tar.gz /