Huawei Push Notification on OneSignal

We are using OneSignal.com to process our push notifications.
It works fine for Android & IOS, but it is not working for Huawei.

I’m following these instructions:

At step 3 I must edit the plugin.xml file to remove the CordovaHMSMessageService from the AndroidManifest.xml.

Edit-Config
From what I can see I need to use Edit-Config to overwrite the manifest.xml, but I’m unable to figure out how REMOVE the tags as described in Step 3 in the above link.

I need to remove the following from the xml:

Any help will be appreciated.