build(ci): Removed codecov.io integration since it is not complete

Author: okonet

.travis.yml

@@ -18,7 +18,6 @@ before_install:
 before_script:
   - npm prune
 after_success:
-  - bash <(curl -s https://codecov.io/bash)
   - 'curl -Lo travis_after_all.py https://git.io/travis_after_all'
   - python travis_after_all.py
   - export $(cat .to_export_back) &> /dev/null