Remove unused variables

lib/Db/BoardMapper.php

@@ -96,6 +96,7 @@ class BoardMapper extends DeckMapper implements IPermissionMapper {
         $sql = 'SELECT boards.id, title, owner, color, archived, 2 as shared FROM oc_deck_boards as boards ' .
             'INNER JOIN oc_deck_board_acl as acl ON boards.id=acl.board_id WHERE owner != ? AND type=\'group\' AND (';
         $countGroups = 0;
+		// FIXME: group unused?
         foreach ($groups as $group) {
             $sql .= 'acl.participant = ? ';
             if(count($groups)>1 && $countGroups++<count($groups)-1)

lib/Db/DeckMapper.php

@@ -50,6 +50,7 @@ abstract class DeckMapper extends Mapper {
 	}
 
 	protected function execute($sql, array $params = [], $limit = null, $offset = null) {
+		// FIXME: remove on release
 		\OCP\Util::writeLog('deck', "DeckMapper SQL: " . $sql, \OCP\Util::DEBUG);
 		return parent::execute($sql, $params, $limit, $offset);
 	}

lib/Db/LabelMapper.php

@@ -68,14 +68,14 @@ class LabelMapper extends DeckMapper implements IPermissionMapper {
         return $result;
     }
 
-	public function deleteLabelAssignments($labelId, $limit=null, $offset=null) {
+	public function deleteLabelAssignments($labelId) {
 		$sql = 'DELETE FROM `*PREFIX*deck_assigned_labels` WHERE label_id = ?';
 		$stmt = $this->db->prepare($sql);
 		$stmt->bindParam(1, $labelId,  \PDO::PARAM_INT);
 		$stmt->execute();
 	}
 
-	public function deleteLabelAssignmentsForCard($cardId, $limit=null, $offset=null) {
+	public function deleteLabelAssignmentsForCard($cardId) {
 		$sql = 'DELETE FROM `*PREFIX*deck_assigned_labels` WHERE card_id = ?';
 		$stmt = $this->db->prepare($sql);
 		$stmt->bindParam(1, $cardId,  \PDO::PARAM_INT);