remove semicolon from useform page (#1011)

Author: fahadsohail482

src/content/docs/useform.mdx

@@ -152,7 +152,7 @@ useForm({
 - There are other options for including form data:
 
   ```javascript
-  ;<input {...register("hidden")} type="hidden" />
+  <input {...register("hidden")} type="hidden" />
   register("hidden", { value: "data" })
 
   // include data onSubmit