move systemstags to sharign section, drop collaboration section

apps/systemtags/lib/Settings/Admin.php

@@ -39,7 +39,7 @@ class Admin implements ISettings {
 	 * @return string the section ID, e.g. 'sharing'
 	 */
 	public function getSection() {
-		return 'collaboration';
+		return 'sharing';
 	}
 
 	/**
@@ -50,7 +50,7 @@ class Admin implements ISettings {
 	 * E.g.: 70
 	 */
 	public function getPriority() {
-		return 30;
+		return 70;
 	}
 
 }

lib/private/Settings/Manager.php

@@ -262,7 +262,6 @@ class Manager implements IManager {
 		$sections = [
 			 0 => [new Section('server',        $this->l->t('Server settings'), 0)],
 			 5 => [new Section('sharing',       $this->l->t('Sharing'), 0)],
-			15 => [new Section('collaboration', $this->l->t('Collaboration'), 0)],
 			45 => [new Section('encryption',    $this->l->t('Encryption'), 0)],
 			90 => [new Section('logging',       $this->l->t('Logging'), 0)],
 			98 => [new Section('additional',    $this->l->t('Additional settings'), 0)],