Revert "[HTML5] Fetch API now passes credentials."
Revert "[HTML5] Fetch API now passes credentials."

(cherry picked from commit 63df46c23837fdac05432ee5d7863bab82cc1a11)

ex/godot,ex/godot,ex/godot,ex/godot,ex/godot,ex/godot,ex/godot,ex/godot