Remove deprecation, the admin controller can approve just fine

Remove deprecation, the admin controller can approve just fine

diff --git a/app/controllers/admin/users_controller.rb b/app/controllers/admin/users_controller.rb
index c63a39c..b526e89 100644
--- a/app/controllers/admin/users_controller.rb
+++ b/app/controllers/admin/users_controller.rb
@@ -288,13 +288,11 @@ class Admin::UsersController < Admin::AdminController
   end
 
   def approve
-    Discourse.deprecate("AdminUsersController#approve is deprecated. Please use the Reviewable API instead.", since: "2.3.0beta5", drop_from: "2.4")
     Reviewable.bulk_perform_targets(current_user, :approve, 'ReviewableUser', [@user.id])
     render body: nil
   end
 
   def approve_bulk
-    Discourse.deprecate("AdminUsersController#approve_bulk is deprecated. Please use the Reviewable API instead.", since: "2.3.0beta5", drop_from: "2.4")
     Reviewable.bulk_perform_targets(current_user, :approve, 'ReviewableUser', params[:users])
     render body: nil
   end

GitHub sha: 9bcd7aac