update the icons for the create template (#5286)

packages/flutter_tools/templates/create/ios.tmpl/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json

@@ -77,66 +77,6 @@
       "idiom" : "ipad",
       "filename" : "Icon-83.5@2x.png",
       "scale" : "2x"
-    },
-    {
-      "size" : "16x16",
-      "idiom" : "mac",
-      "filename" : "icon_16x16.png",
-      "scale" : "1x"
-    },
-    {
-      "size" : "16x16",
-      "idiom" : "mac",
-      "filename" : "icon_16x16@2x.png",
-      "scale" : "2x"
-    },
-    {
-      "size" : "32x32",
-      "idiom" : "mac",
-      "filename" : "icon_32x32.png",
-      "scale" : "1x"
-    },
-    {
-      "size" : "32x32",
-      "idiom" : "mac",
-      "filename" : "icon_32x32@2x.png",
-      "scale" : "2x"
-    },
-    {
-      "size" : "128x128",
-      "idiom" : "mac",
-      "filename" : "icon_128x128.png",
-      "scale" : "1x"
-    },
-    {
-      "size" : "128x128",
-      "idiom" : "mac",
-      "filename" : "icon_128x128@2x.png",
-      "scale" : "2x"
-    },
-    {
-      "size" : "256x256",
-      "idiom" : "mac",
-      "filename" : "icon_256x256.png",
-      "scale" : "1x"
-    },
-    {
-      "size" : "256x256",
-      "idiom" : "mac",
-      "filename" : "icon_256x256@2x.png",
-      "scale" : "2x"
-    },
-    {
-      "size" : "512x512",
-      "idiom" : "mac",
-      "filename" : "icon_512x512.png",
-      "scale" : "1x"
-    },
-    {
-      "size" : "512x512",
-      "idiom" : "mac",
-      "filename" : "icon_512x512@2x.png",
-      "scale" : "2x"
     }
   ]
 }
\ No newline at end of file