Remove PHP56 and PHP-CS-Fixer from Travis CI installation

.travis.yml

@@ -39,11 +39,11 @@ before_install:
   # Java, C, C++, C#, Objective-C, D, Pawn, Vala
   - brew install uncrustify
   # PHP
-  - brew tap homebrew/homebrew-php
-  - brew gist-logs php56
-  - brew install php56
-  - echo -e "\n[Phar]\nphar.readonly = Off\n" >> /usr/local/etc/php/5.6/php.ini
-  - brew gist-logs php-cs-fixer
-  - brew install php-cs-fixer
+  # - brew tap homebrew/homebrew-php
+  # - brew gist-logs php56
+  # - brew install php56
+  # - echo -e "\n[Phar]\nphar.readonly = Off\n" >> /usr/local/etc/php/5.6/php.ini
+  # - brew gist-logs php-cs-fixer
+  # - brew install php-cs-fixer
   # CoffeeScript
   - npm install coffee-formatter