Change distance-measurement hotkey to cmd-I

data/core.yaml

@@ -205,7 +205,6 @@ en:
     list: "Edits by {users}"
     truncated_list: "Edits by {users} and {count} others"
   infobox:
-    key: I
     selected: "{n} selected"
     geometry: Geometry
     closed: closed

dist/locales/en.json

@@ -255,7 +255,6 @@
         "truncated_list": "Edits by {users} and {count} others"
     },
     "infobox": {
-        "key": "I",
         "selected": "{n} selected",
         "geometry": "Geometry",
         "closed": "closed",

js/id/ui/info.js

@@ -1,5 +1,5 @@
 iD.ui.Info = function(context) {
-    var key = t('infobox.key'),
+    var key = iD.ui.cmd('⌘I'),
         imperial = (iD.detect().locale.toLowerCase() === 'en-us');
 
     function info(selection) {