Remove unused calls of DI::app()

src/Module/Directory.php

@@ -27,7 +27,6 @@ class Directory extends BaseModule
 {
 	protected function content(array $request = []): string
 	{
-		$app = DI::app();
 		$config = DI::config();
 
 		if (($config->get('system', 'block_public') && !DI::userSession()->isAuthenticated()) ||

src/Module/Invite.php

@@ -30,7 +30,6 @@ class Invite extends BaseModule
 
 		self::checkFormSecurityTokenRedirectOnError('/', 'send_invite');
 
-		$app = DI::app();
 		$config = DI::config();
 
 		$max_invites = intval($config->get('system', 'max_invites'));
@@ -117,7 +116,6 @@ class Invite extends BaseModule
 			throw new HTTPException\ForbiddenException(DI::l10n()->t('Permission denied.'));
 		}
 
-		$app = DI::app();
 		$config = DI::config();
 
 		$inviteOnly = false;
@@ -142,7 +140,7 @@ class Invite extends BaseModule
 			if (Register::getPolicy() === Register::CLOSED) {
 				return DI::l10n()->t('Our apologies. This system is not currently configured to connect with other public sites or invite members.');
 			} else {
-				$linkTxt = DI::l10n()->t('To accept this invitation, please visit and register at %s.', DI::baseUrl() . '/register' 
+				$linkTxt = DI::l10n()->t('To accept this invitation, please visit and register at %s.', DI::baseUrl() . '/register'
 					. "\r\n" . "\r\n" . DI::l10n()->t('Friendica sites all inter-connect to create a huge privacy-enhanced social web that is owned and controlled by its members. They can also connect with many traditional social networks.'));
 			}
 		}

src/Module/NoScrape.php

@@ -22,8 +22,6 @@ class NoScrape extends BaseModule
 {
 	protected function rawContent(array $request = [])
 	{
-		$a = DI::app();
-
 		if (isset($this->parameters['nick'])) {
 			// Get infos about a specific nick (public)
 			$which = $this->parameters['nick'];

src/Module/Profile/Schedule.php

@@ -42,8 +42,6 @@ class Schedule extends BaseProfile
 			throw new HTTPException\ForbiddenException(DI::l10n()->t('Permission denied.'));
 		}
 
-		$a = DI::app();
-
 		$o = self::getTabsHTML('schedule', true, DI::userSession()->getLocalUserNickname(), false);
 
 		$schedule = [];

src/Object/Post.php

@@ -726,7 +726,7 @@ class Post
 					$title = DI::l10n()->t('Commented by: %s', $actors);
 					$icon  = ['fa' => 'fa-commenting', 'icon' => 'icon-commenting'];
 					break;
-	
+
 				default:
 					$title = DI::l10n()->t('Reacted with %s by: %s', $element['emoji'], $actors);
 					$icon  = [];
@@ -1180,7 +1180,6 @@ class Post
 	 */
 	protected function checkWallToWall()
 	{
-		$a = DI::app();
 		$conv = $this->getThread();
 		$this->wall_to_wall = false;