[Keyboard] fixed noah info.json (#7518)

* fixed noah info.json

* fixed iso keymap and adding default iso keymaps

* keymap cleanup

* verified through the qmk configurator preview mode

* modify encoding from utf-8 bom to urf-8

keyboards/matrix/noah/info.json

@@ -1428,4 +1428,4 @@
       ]
     }
   }
-}
+}