docs(removing docs mention): removing docs mention of inputRef signal

Author: thejackshelton

apps/website/src/routes/docs/headless/(components)/combobox/index.mdx

@@ -1103,11 +1103,6 @@ This involves creating a signal and passing it in using the [bind syntax](https:
       type: 'Signal',
       description: 'Controls the current value of the input.',
     },
-    {
-      name: 'bind:inputRef',
-      type: 'Signal',
-      description: 'Controls the reference of the input.',
-    },
   ]}
 />