docs: remove invalid appcache value from storages in clearStorageData() (#37106)

Co-authored-by: trop[bot] <37223003+trop[bot]@users.noreply.github.com>
Co-authored-by: Milan Burda <[email protected]>

docs/api/session.md

@@ -405,7 +405,7 @@ Clears the session’s HTTP cache.
   * `origin` string (optional) - Should follow `window.location.origin`’s representation
     `scheme://host:port`.
   * `storages` string[] (optional) - The types of storages to clear, can contain:
-    `appcache`, `cookies`, `filesystem`, `indexdb`, `localstorage`,
+    `cookies`, `filesystem`, `indexdb`, `localstorage`,
     `shadercache`, `websql`, `serviceworkers`, `cachestorage`. If not
     specified, clear all storage types.
   * `quotas` string[] (optional) - The types of quotas to clear, can contain: