remove fileatime from common storage backend

lib/fileproxy.php

@@ -36,7 +36,7 @@
  * The return value of the post-proxy will be used as the new result of the operation
  * The operations that have a post-proxy are:
  * file_get_contents, is_file, is_dir, file_exists, stat, is_readable,
- * is_writable, fileatime, filemtime, filectime, file_get_contents,
+ * is_writable, filemtime, filectime, file_get_contents,
  * getMimeType, hash, fopen, free_space and search
  */
 

lib/files/storage/common.php

@@ -69,10 +69,6 @@ abstract class Common implements \OC\Files\Storage\Storage {
 		$stat = $this->stat($path);
 		return $stat['mtime'];
 	}
-	public function fileatime($path) {
-		$stat = $this->stat($path);
-		return $stat['atime'];
-	}
 	public function file_get_contents($path) {
 		$handle = $this->fopen($path, "r");
 		if(!$handle) {