Set default to mysql default

Author: joelpittet

defaults/main.yml

@@ -59,7 +59,7 @@ mysql_read_buffer_size: "1M"
 mysql_read_rnd_buffer_size: "4M"
 mysql_myisam_sort_buffer_size: "64M"
 mysql_thread_cache_size: "8"
-mysql_query_cache_type: "1"
+mysql_query_cache_type: "0"
 mysql_query_cache_size: "16M"
 mysql_query_cache_limit: "1M"
 mysql_max_connections: "151"