chore(travis): cleanup after_success step

Author: KaiSchwarz-cnic

.travis.yml

@@ -17,7 +17,6 @@ script:
 - ./scripts/coverage.sh
 after_success:
 - if [[ "$TRAVIS_BRANCH" == "master" && "$TRAVIS_PULL_REQUEST" == "false" ]]; then
-    sudo apt install libcpan-uploader-perl &&
     ./scripts/generatedocs.sh &&
     git config --replace-all remote.origin.fetch +refs/heads/*:refs/remotes/origin/* &&
     git fetch --tags &&