Cleanup unused code

Signed-off-by: Morris Jobke <hey@morrisjobke.de>

apps/dav/lib/Connector/Sabre/TagsPlugin.php

@@ -240,10 +240,9 @@ class TagsPlugin extends \Sabre\DAV\ServerPlugin
 			}
 		}
 
-		$tags = null;
 		$isFav = null;
 
-		$propFind->handle(self::TAGS_PROPERTYNAME, function() use ($tags, &$isFav, $node) {
+		$propFind->handle(self::TAGS_PROPERTYNAME, function() use (&$isFav, $node) {
 			list($tags, $isFav) = $this->getTagsAndFav($node->getId());
 			return new TagList($tags);
 		});

apps/files_trashbin/lib/Trashbin.php

@@ -635,8 +635,6 @@ class Trashbin {
 
 		if ($timestamp) {
 			$filename = $filename . '.d' . $timestamp;
-		} else {
-			$filename = $filename;
 		}
 
 		$target = Filesystem::normalizePath('files_trashbin/files/' . $filename);

lib/private/Files/ObjectStore/ObjectStoreStorage.php

@@ -194,9 +194,8 @@ class ObjectStoreStorage extends \OC\Files\Storage\Common {
 						'message' => 'Could not delete object ' . $this->getURN($stat['fileid']) . ' for ' . $path,
 					]);
 					return false;
-				} else {
-					//removing from cache is ok as it does not exist in the objectstore anyway
 				}
+				//removing from cache is ok as it does not exist in the objectstore anyway
 			}
 			$this->getCache()->remove($path);
 			return true;