Remove 'include_non_clients' config option

source/_components/plex.markdown

@@ -94,7 +94,6 @@ You can customize the Plex component by adding any of the variables below to you
 media_player:
   - platform: plex
     entity_namespace: 'plex'
-    include_non_clients: true
     scan_interval: 5
     show_all_controls: false
     use_custom_entity_ids: true
@@ -108,11 +107,6 @@ entity_namespace:
   description: "Prefix for entity ID's. Useful when using overlapping components (ex. Apple TV and Plex components when you have Apple TV's you use as Plex clients). Go from _media_player.playroom2_ to _media_player.plex_playroom_"
   required: false
   type: string
-include_non_clients:
-  description: "Display non-recontrollable clients (ex. remote clients, PlexConnect Apple TV's)."
-  required: false
-  default: false
-  type: boolean
 scan_interval:
   description: "Amount in seconds in between polling for device’s current activity."
   required: false