Remove Nabu Alexa Automatic Adding of devices

Configuration
8

It’s already implemented. It’s been implemented for ~5 years now.

non-cloud users

smart_home:
  filter:
    include_entities:
    - switch.a
    - switch.b
    ... etc...

cloud users

cloud:
  alexa:
    filter:
      include_entities:
      - switch.a
      - switch.b
      ... etc...

That will force it to only include entities that are in that list.