Comment gzip: off be default

lib/support/nginx/gitlab

@@ -42,8 +42,9 @@ server {
   # if a file, which is not found in the root folder is requested,
   # then the proxy pass the request to the upsteam (gitlab unicorn)
   location @gitlab {
-    # We need this to prevent BREACH attack
-    gzip off;
+    # If you use https make sure you disable gzip compression 
+    # to be safe against BREACH attack
+    # gzip off;
 
     proxy_read_timeout 300; # Some requests take more than 30 seconds.
     proxy_connect_timeout 300; # Some requests take more than 30 seconds.
@@ -67,4 +68,3 @@ server {
 
   error_page 502 /502.html;
 }
\ No newline at end of file
-