ci: rm commintlint, is unnesscery and buggy

Author: mydearxym

.travis.yml

@@ -10,13 +10,11 @@ before_install:
   - sudo chown -R travis ./travis/install_node.sh
   - sudo chmod +x ./travis/install_node.sh
   - ./travis/install_node.sh
-  - npm install -g @commitlint/travis-cli > /dev/null
 
 install:
   # web related
   - npm install
   # - npm install -g codecov
-  - commitlint-travis
   # elixir/phoenix env
   - mix local.rebar --force > /dev/null
   - mix local.hex --force > /dev/null