Revert "Added search provider for listed conversations"

This reverts commit ba01861 but
preserves code relevant for the listable feature.

Removes the global search provider as it's adding additional noise to
the search results. Users should only use the talk-specific search in
the left sidebar.

Signed-off-by: Vincent Petry <[email protected]>

lib/AppInfo/Application.php

@@ -55,7 +55,6 @@
 use OCA\Talk\PublicShareAuth\TemplateLoader as PublicShareAuthTemplateLoader;
 use OCA\Talk\Room;
 use OCA\Talk\Search\ConversationSearch;
-use OCA\Talk\Search\ListedConversationSearch;
 use OCA\Talk\Search\CurrentMessageSearch;
 use OCA\Talk\Search\MessageSearch;
 use OCA\Talk\Search\UnifiedSearchCSSLoader;
@@ -99,7 +98,6 @@ public function register(IRegistrationContext $context): void {
 		$context->registerEventListener(\OCP\AppFramework\Http\Events\BeforeTemplateRenderedEvent::class, UnifiedSearchCSSLoader::class);
 
 		$context->registerSearchProvider(ConversationSearch::class);
-		$context->registerSearchProvider(ListedConversationSearch::class);
 		$context->registerSearchProvider(CurrentMessageSearch::class);
 		$context->registerSearchProvider(MessageSearch::class);