php: Uncomment opcache settings

Enablding them doesn't really work well if they are still commented...
Signed-off-by: Florian Pritz <bluewind@xinu.at>

roles/php-fpm/templates/php.ini.j2

@@ -1742,10 +1742,10 @@ ldap.max_links = -1
 
 [opcache]
 ; Determines if Zend OPCache is enabled
-;opcache.enable=1
+opcache.enable=1
 
 ; Determines if Zend OPCache is enabled for the CLI version of PHP
-;opcache.enable_cli=1
+opcache.enable_cli=1
 
 ; The OPcache shared memory storage size.
 ;opcache.memory_consumption=64