Revert "fix: don't recalculate folder size in Cache::delete if the en…

…try didn't exist"

This reverts commit 5ca9d88.

lib/private/Files/Cache/Updater.php

@@ -152,6 +152,9 @@ public function remove($path) {
 			$this->propagator->propagateChange($path, time(), -$entry->getSize());
 		} else {
 			$this->propagator->propagateChange($path, time());
+			if ($this->cache instanceof Cache) {
+				$this->cache->correctFolderSize($parent);
+			}
 		}
 	}