refactoring

optimize imports
reformat source code
remove unused cpu and memory log functionality

website/agenda/planung/roles.cgi

@@ -57,8 +57,6 @@ my $request = {
 	},
 };
 $request = uac::prepare_request( $request, $user_presets );
-log::init($request);
-
 $params = $request->{params}->{checked};
 
 #process header