[skip ci][travis] remove debug lines

Author: makasim

.travis.yml

@@ -46,8 +46,6 @@ cache:
 
 before_install:
     - echo "extension = mongodb.so" >> $HOME/.phpenv/versions/$(phpenv version-name)/etc/php.ini
-    - php -m
-    - php -i | grep -C 15 mongo
 
 install:
     - rm $HOME/.phpenv/versions/$(phpenv version-name)/etc/conf.d/xdebug.ini;