ci: Remove coveralls coverage reporting

ci/after_success.sh

@@ -4,6 +4,5 @@ set -e
 set -o pipefail
 
 if [[ -n "${GCOV}" ]]; then
-  coveralls --gcov "$(which "${GCOV}")" --encoding iso-8859-1 || echo 'coveralls upload failed.'
   bash <(curl -s https://codecov.io/bash) || echo 'codecov upload failed.'
 fi

ci/install.sh

@@ -13,8 +13,8 @@ if [[ "${TRAVIS_OS_NAME}" == osx ]]; then
 fi
 
 # Use default CC to avoid compilation problems when installing Python modules.
-echo "Install neovim module and coveralls for Python 2."
-CC=cc pip2.7 -q install --user --upgrade neovim cpp-coveralls
+echo "Install neovim module for Python 2."
+CC=cc pip2.7 -q install --user --upgrade neovim
 
 echo "Install neovim module for Python 3."
 # Allow failure. pyenv pip3 on travis is broken: