remove circleCI workflow

.circleci/config.yml

 
 workflows:
   version: 2
-  workflow:
-    jobs:
-      # The first deploy jobs are the "real" ones that upload to pypi
-      - deploy:
-          name: deploy ml-agents-envs
-          directory: ml-agents-envs
-          filters:
-            tags:
-              # Matches e.g. "release_123"
-              only: /^release_[0-9]+$/
-            branches:
-              ignore: /.*/
-      - deploy:
-          name: deploy ml-agents
-          directory: ml-agents
-          filters:
-            tags:
-              # Matches e.g. "release_123"
-              only: /^release_[0-9]+$/
-            branches:
-              ignore: /.*/
-      - deploy:
-          name: deploy gym-unity
-          directory: gym-unity
-          filters:
-            tags:
-              # Matches e.g. "release_123"
-              only: /^release_[0-9]+$/
-            branches:
-              ignore: /.*/
-      # These deploy jobs upload to the pypi test repo. They have different tag triggers than the real ones.
-      - deploy:
-          name: test deploy ml-agents-envs
-          directory: ml-agents-envs
-          username: mlagents-test
-          test_repository_args: --repository-url https://test.pypi.org/legacy/
-          filters:
-            tags:
-              # Matches e.g. "release_123_test456
-              only: /^release_[0-9]+_test[0-9]+$/
-            branches:
-              ignore: /.*/
-      - deploy:
-          name: test deploy ml-agents
-          directory: ml-agents
-          username: mlagents-test
-          test_repository_args: --repository-url https://test.pypi.org/legacy/
-          filters:
-            tags:
-              # Matches e.g. "release_123_test456
-              only: /^release_[0-9]+_test[0-9]+$/
-            branches:
-              ignore: /.*/
-      - deploy:
-          name: test deploy gym-unity
-          directory: gym-unity
-          username: mlagents-test
-          test_repository_args: --repository-url https://test.pypi.org/legacy/
-          filters:
-            tags:
-              # Matches e.g. "release_123_test456
-              only: /^release_[0-9]+_test[0-9]+$/
-            branches:
-              ignore: /.*/