Revert "Merge branch 'external-events' into 'main'"

This reverts merge request !1223

lib/mobilizon/events/event.ex

@@ -47,7 +47,6 @@ defmodule Mobilizon.Events.Event do
           draft: boolean,
           visibility: atom(),
           join_options: atom(),
-          external_participation_url: String.t(),
           publish_at: DateTime.t() | nil,
           uuid: Ecto.UUID.t(),
           online_address: String.t() | nil,
@@ -82,7 +81,6 @@ defmodule Mobilizon.Events.Event do
     :local,
     :visibility,
     :join_options,
-    :external_participation_url,
     :publish_at,
     :online_address,
     :phone_address,
@@ -107,7 +105,6 @@ defmodule Mobilizon.Events.Event do
     field(:draft, :boolean, default: false)
     field(:visibility, EventVisibility, default: :public)
     field(:join_options, JoinOptions, default: :free)
-    field(:external_participation_url, :string)
     field(:publish_at, :utc_datetime)
     field(:uuid, Ecto.UUID, default: Ecto.UUID.generate())
     field(:online_address, :string)

lib/mobilizon/events/events.ex

@@ -46,8 +46,7 @@ defmodule Mobilizon.Events do
   defenum(JoinOptions, :join_options, [
     :free,
     :restricted,
-    :invite,
-    :external
+    :invite
   ])
 
   defenum(EventStatus, :event_status, [