Improve blocked view of profiles (#10491)

* Revert "Fix filtering of favourited_by, reblogged_by, followers and following (#10447)"

This reverts commit 120544067f.

* Revert "Hide blocking accounts from blocked users (#10442)"

This reverts commit 62bafa20a1.

* Improve blocked view of profiles

- Change "You are blocked" to "Profile unavailable"
- Hide following/followers in API when blocked
- Disable follow button and show "Profile unavailable" on public profile as well

app/controllers/api/v1/accounts/statuses_controller.rb

@@ -3,8 +3,6 @@
 class Api::V1::Accounts::StatusesController < Api::BaseController
   before_action -> { authorize_if_got_token! :read, :'read:statuses' }
   before_action :set_account
-  before_action :check_account_suspension
-  before_action :check_account_block
   after_action :insert_pagination_headers
 
   respond_to :json
@@ -20,14 +18,6 @@ class Api::V1::Accounts::StatusesController < Api::BaseController
     @account = Account.find(params[:account_id])
   end
 
-  def check_account_suspension
-    gone if @account.suspended?
-  end
-
-  def check_account_block
-    gone if current_account.present? && @account.blocking?(current_account)
-  end
-
   def load_statuses
     cached_account_statuses
   end