Fix if statement

configure_once.sh

@@ -47,7 +47,7 @@ function remove_all() {
     git pull
     rm -rf $mumble_dir $jitsi_dir $novnc_dir
 
-    if [$dbg_delete_letsencrypt = "true"]
+    if [$dbg_delete_letsencrypt = "true"]; then
         rm -rf $le_dir
     fi