Revert "Make the on my mac icon sharper."

This reverts commit 99edfe1fe1.

Mac/Resources/Assets.xcassets/accountLocal.imageset/Contents.json

@@ -1,25 +1,15 @@
 {
   "images" : [
     {
-      "filename" : "localAccountMac.png",
       "idiom" : "universal",
-      "scale" : "1x"
-    },
-    {
-      "filename" : "localAccountMac@2x.png",
-      "idiom" : "universal",
-      "scale" : "2x"
-    },
-    {
-      "idiom" : "universal",
-      "scale" : "3x"
+      "filename" : "localAccountMac.pdf"
     }
   ],
   "info" : {
-    "author" : "xcode",
-    "version" : 1
+    "version" : 1,
+    "author" : "xcode"
   },
   "properties" : {
     "template-rendering-intent" : "template"
   }
-}
+}