Merge pull request #259 from fraz3alpha/remove-active-tab-permission

Remove activeTab permission, which we don't need

Author: lauracowen

browser-extensions/chrome/manifest.json

@@ -136,7 +136,6 @@
       "/css/*"
   ],
   "permissions": [
-    "activeTab",
     "storage",
     "https://www.parkrun.org.uk/",
     "https://wiki.parkrun.com/"

browser-extensions/firefox/manifest.json

@@ -139,7 +139,6 @@
       "/css/*"
   ],
   "permissions": [
-    "activeTab",
     "storage",
     "https://www.parkrun.org.uk/",
     "https://wiki.parkrun.com/"