Remove YAML instructions from Roomba (#16467)

YAML support was removed but the docs were never updated 😨

source/_integrations/roomba.markdown

@@ -28,41 +28,6 @@ This platform has been tested and is confirmed to be working with the iRobot Roo
 
 To add your Roomba to your installation, go to **Configuration** >> **Integrations** in the UI, click the button with + sign and from the list of integrations select iRobot Roomba.
 
-To add your Roomba vacuum to your installation, add the following to your `configuration.yaml` file:
-
-```yaml
-# Example configuration.yaml entry
-roomba:
-  - host: IP_ADDRESS_OR_HOSTNAME
-    blid: BLID
-    password: PASSWORD
-```
-
-{% configuration %}
-host:
-  description: The hostname or IP address of the Roomba.
-  required: true
-  type: string
-blid:
-  description: The username (BLID) for your device.
-  required: true
-  type: string
-password:
-  description: The password for your device.
-  required: true
-  type: string
-continuous:
-  description: Whether to operate in continuous mode.
-  required: false
-  type: boolean
-  default: true
-delay:
-  description: Custom connection delay (in seconds) for periodic mode
-  required: false
-  type: integer
-  default: 1
-{% endconfiguration %}
-
 <div class='note'>
 
 The Roomba's MQTT server only allows a single connection. Enabling continuous mode will force the App to connect via the cloud to your Roomba. [More info here](https://github.com/NickWaterton/Roomba980-Python#firmware-2xx-notes)
@@ -77,22 +42,7 @@ Sensors:
 - roomba_battery_level : The status of your battery
 - roomba_bin_full (if Roomba has the capacity to do) : Bin Full status
 
-### Multiple Roomba vacuums
-
-```yaml
-# Example configuration.yaml entry
-roomba:
-  - host: IP_ADDRESS_OR_HOSTNAME_1
-    blid: BLID_1
-    password: PASSWORD_1
-  - host: IP_ADDRESS_OR_HOSTNAME_2
-    blid: BLID_2
-    password: PASSWORD_2
-    continuous: false
-    delay: 5
-```
-
-### Retrieving your credentials
+### Manually retrieving your credentials
 
 Please refer to [here](https://github.com/NickWaterton/Roomba980-Python#how-to-get-your-usernameblid-and-password) or [here](https://github.com/koalazak/dorita980#how-to-get-your-usernameblid-and-password) to retrieve both the BLID (username) and the password.