ids-functions.pl: Remove config files when cleaning up the rules

directory.

If there are one, they safly can be removed because the *.config files
now live in a different folder.

Signed-off-by: Stefan Schantl <stefan.schantl@ipfire.org>

config/cfgroot/ids-functions.pl

@@ -1139,9 +1139,6 @@ sub _cleanup_rulesdir() {
 		# We only want files.
 		next unless (-f "$rulespath/$file");
 
-		# Skip element if it has config as file extension.
-		next if ($file =~ m/\.config$/);
-
 		# Skip rules file for whitelisted hosts.
 		next if ("$rulespath/$file" eq $whitelist_file);