[KV] get-started syntax fix (#17248)

Author: kol3x

src/content/docs/kv/get-started.mdx

@@ -164,7 +164,7 @@ To bind your KV namespace to your Worker:
 1. In your `wrangler.toml` file, add the following with the values generated in your terminal from [step 2](/kv/get-started/#2-create-a-kv-namespace):
 
 	```toml
-	[[kv_namespaces]] =
+	[[kv_namespaces]]
 	binding = "<BINDING_NAME>"
 	id = "<BINDING_ID>"