Disable xdebug to speedup travis

Author: snapshotpl

Diff for: .travis.yml

@@ -10,6 +10,7 @@ env:
   - DEPS=latest
 
 before_script:
+  - phpenv config-rm xdebug.ini
   - composer self-update
   - if [[ $DEPS == 'lowest' ]]; then composer update --prefer-stable --no-interaction --prefer-lowest ; fi
   - if [[ $DEPS == 'latest' ]]; then composer update --prefer-stable --no-interaction ; fi