Slugify for Gitlab names: Replace with empty instead of space, just as Gitlab does.

This means for example that group name "Foo: Bar" becomes "Foo Bar" instead of "Foo  Bar".

Author: Adambean

src/LdapSyncCommand.php

@@ -1298,7 +1298,7 @@ private function deployGitlabUsersAndGroups(array $config, string $gitlabInstanc
 
         $slugifyGitlabName = new Slugify([
             "regexp"        => "/([^A-Za-z0-9_\.\(\)\- ])+/",
-            "separator"     => " ",
+            "separator"     => "",
             "lowercase"     => false,
             "trim"          => true,
         ]);