Removed publish logic that triggered dotnet-preview Docker builds. This logic has been moved to Maestro.

scripts/dockerrun.sh

@@ -123,8 +123,6 @@ docker run $INTERACTIVE -t --rm --sig-proxy=true \
     -e REPO_SERVER \
     -e DOTNET_BUILD_SKIP_CROSSGEN \
     -e PUBLISH_TO_AZURE_BLOB \
-    -e DOCKER_HUB_REPO \
-    -e DOCKER_HUB_TRIGGER_TOKEN \
     -e NUGET_FEED_URL \
     -e NUGET_API_KEY \
     -e GITHUB_PASSWORD \