Revert "Enable TimedMediaHandler by default (#6168)"

This reverts commit e1bba62.

Author: SomeMWDev

LocalSettings.php

@@ -1037,7 +1037,6 @@
 			"$IP/extensions/MediaModeration/schema/mysql/tables-generated.sql",
 			"$IP/extensions/OAuth/schema/mysql/tables-generated.sql",
 			"$IP/extensions/RottenLinks/sql/rottenlinks.sql",
-			"$IP/extensions/TimedMediaHandler/sql/tables-generated.sql",
 			"$IP/extensions/UrlShortener/schemas/mysql/tables-generated.sql",
 		],
 	],
@@ -3475,7 +3474,6 @@
 			'templatestyles',
 			'textextracts',
 			'thanks',
-			'timedmediahandler',
 			'urlshortener',
 			'wikiseo',
 		],