Update version and remove unused permissions

Author: MasterOfTheTiger

manifest.json

@@ -3,9 +3,8 @@
 
   "name": "APOD Popup",
   "description": "Astronomy Picture of the Day as a Popup in your Browser!",
-  "version": "1.3.2",
+  "version": "1.3.3",
   "author": "MasterOfTheTiger",
-  "permissions": ["storage"],
   "browser_action": {
     "default_icon": "icon.png",
     "default_popup": "popup.html"