Remove follow_request_count as it's not needed for FE anymore.

MastoFE uses `GET /api/v1/follow_requests` and PleromaFE uses
`GET /api/pleroma/friend_requests` which they query on the initial page
load.

lib/pleroma/user.ex

@@ -621,32 +621,6 @@ defmodule Pleroma.User do
     )
   end
 
-  def update_follow_request_count(%User{} = user) do
-    subquery =
-      user
-      |> User.get_follow_requests_query()
-      |> select([a], %{count: count(a.id)})
-
-    User
-    |> where(id: ^user.id)
-    |> join(:inner, [u], s in subquery(subquery))
-    |> update([u, s],
-      set: [
-        info:
-          fragment(
-            "jsonb_set(?, '{follow_request_count}', ?::varchar::jsonb, true)",
-            u.info,
-            s.count
-          )
-      ]
-    )
-    |> Repo.update_all([], returning: true)
-    |> case do
-      {1, [user]} -> {:ok, user}
-      _ -> {:error, user}
-    end
-  end
-
   def get_follow_requests(%User{} = user) do
     q = get_follow_requests_query(user)
     reqs = Repo.all(q)

lib/pleroma/user/info.ex

@@ -12,7 +12,6 @@ defmodule Pleroma.User.Info do
     field(:source_data, :map, default: %{})
     field(:note_count, :integer, default: 0)
     field(:follower_count, :integer, default: 0)
-    field(:follow_request_count, :integer, default: 0)
     field(:locked, :boolean, default: false)
     field(:confirmation_pending, :boolean, default: false)
     field(:confirmation_token, :string, default: nil)

lib/pleroma/web/activity_pub/activity_pub.ex

@@ -175,8 +175,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
 
     with data <- %{"to" => to, "type" => "Accept", "actor" => actor.ap_id, "object" => object},
          {:ok, activity} <- insert(data, local),
-         :ok <- maybe_federate(activity),
-         _ <- User.update_follow_request_count(actor) do
+         :ok <- maybe_federate(activity) do
       {:ok, activity}
     end
   end
@@ -187,8 +186,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
 
     with data <- %{"to" => to, "type" => "Reject", "actor" => actor.ap_id, "object" => object},
          {:ok, activity} <- insert(data, local),
-         :ok <- maybe_federate(activity),
-         _ <- User.update_follow_request_count(actor) do
+         :ok <- maybe_federate(activity) do
       {:ok, activity}
     end
   end
@@ -286,8 +284,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
   def follow(follower, followed, activity_id \\ nil, local \\ true) do
     with data <- make_follow_data(follower, followed, activity_id),
          {:ok, activity} <- insert(data, local),
-         :ok <- maybe_federate(activity),
-         _ <- User.update_follow_request_count(followed) do
+         :ok <- maybe_federate(activity) do
       {:ok, activity}
     end
   end
@@ -297,8 +294,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
          {:ok, follow_activity} <- update_follow_state(follow_activity, "cancelled"),
          unfollow_data <- make_unfollow_data(follower, followed, follow_activity, activity_id),
          {:ok, activity} <- insert(unfollow_data, local),
-         :ok <- maybe_federate(activity),
-         _ <- User.update_follow_request_count(followed) do
+         :ok <- maybe_federate(activity) do
       {:ok, activity}
     end
   end

lib/pleroma/web/twitter_api/views/user_view.ex

@@ -133,7 +133,6 @@ defmodule Pleroma.Web.TwitterAPI.UserView do
           "tags" => user.tags
         }
         |> maybe_with_activation_status(user, for_user)
-        |> maybe_with_follow_request_count(user, for_user)
     }
 
     data =
@@ -155,14 +154,6 @@ defmodule Pleroma.Web.TwitterAPI.UserView do
 
   defp maybe_with_activation_status(data, _, _), do: data
 
-  defp maybe_with_follow_request_count(data, %User{id: id, info: %{locked: true}} = user, %User{
-         id: id
-       }) do
-    Map.put(data, "follow_request_count", user.info.follow_request_count)
-  end
-
-  defp maybe_with_follow_request_count(data, _, _), do: data
-
   defp maybe_with_role(data, %User{id: id} = user, %User{id: id}) do
     Map.merge(data, %{"role" => role(user), "show_role" => user.info.show_role})
   end