Fix minor markdown leftover

The ** for bold are already just before

source/_integrations/notify.markdown

@@ -69,7 +69,7 @@ Notifications can also be sent using [Notify groups](https://www.home-assistant.
 
 ### Test if it works
 
-After you setup a [notifier](/integrations/#notifications), a simple way to test if you have set up your notify platform correctly is to open {% my developer_services title="**Developer tools** > **Actions**" %}** tab from the sidebar. Choose your action from the **Action** dropdown menu depending on the integration you want to test, such as **Notifications: Send a persistent notification** or **Notifications: Send a notification via mobile_app_your_phone_name**. Enter your message into the **message** field, and select the **Perform action** button.
+After you setup a [notifier](/integrations/#notifications), a simple way to test if you have set up your notify platform correctly is to open {% my developer_services title="**Developer tools** > **Actions**" %} tab from the sidebar. Choose your action from the **Action** dropdown menu depending on the integration you want to test, such as **Notifications: Send a persistent notification** or **Notifications: Send a notification via mobile_app_your_phone_name**. Enter your message into the **message** field, and select the **Perform action** button.
 
 To test the entity platform action, select the `notify.send_message` action, and select one or more of `entity`, `device`, `area`, or `label`. Then, supply a `message`.