Remove width, height and key_count from info.json (#14274)

keyboards/xiudi/xd96/info.json

@@ -2,11 +2,8 @@
   "keyboard_name": "xd96",
   "url": "",
   "maintainer": "qmk",
-  "width": 19,
-  "height": 6,
   "layouts": {  
     "LAYOUT_96_ansi": {
-      "key_count": 99,
       "layout": [
         {"label":"Esc", "x":0, "y":0},
         {"label":"F1", "x":1, "y":0},
@@ -119,7 +116,6 @@
       ]
     },
     "LAYOUT_96_iso": {
-      "key_count": 100,
       "layout": [
         {"label":"Esc", "x":0, "y":0},
         {"label":"F1", "x":1, "y":0},