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

data/schemas/keyboard.jsonschema

@@ -118,7 +118,6 @@
                     "c_macro": {
                         "type": "boolean"
                     },
-                    "key_count": {"$ref": "qmk.definitions.v1#/key_unit"},
                     "layout": {
                         "type": "array",
                         "items": {
@@ -136,7 +135,6 @@
                                         "multipleOf": 1
                                     }
                                 },
-                                "key_count": {"$ref": "qmk.definitions.v1#/key_unit"},
                                 "r": {"$ref": "qmk.definitions.v1#/unsigned_decimal"},
                                 "rx": {"$ref": "qmk.definitions.v1#/unsigned_decimal"},
                                 "ry": {"$ref": "qmk.definitions.v1#/unsigned_decimal"},

data/templates/base/info.json

@@ -2,8 +2,6 @@
     "keyboard_name": "%KEYBOARD%",
     "url": "",
     "maintainer": "%YOUR_NAME%",
-    "width": 3,
-    "height": 2,
     "layouts": {
         "LAYOUT": {
             "layout": [