Remove unused logic for checking unregistered user

app/controllers/spree/users_controller.rb

@@ -25,20 +25,6 @@ module Spree
       @unconfirmed_email = spree_current_user.unconfirmed_email
     end
 
-    # Endpoint for queries to check if a user is already registered
-    def registered_email
-      registered = Spree::User.find_by(email: params[:email]).present?
-
-      if registered
-        respond_to do |format|
-          format.html { head :ok }
-          format.turbo_stream { :registered_email }
-        end
-      else
-        head :not_found
-      end
-    end
-
     def create
       @user = Spree::User.new(user_params)
 

app/controllers/user_passwords_controller.rb

@@ -39,7 +39,7 @@ class UserPasswordsController < Spree::UserPasswordsController
   end
 
   def user_unconfirmed?
-    @user = Spree::User.find_by(email: params.dig(:spree_user, :email))
-    @user && !@user.confirmed?
+    user = Spree::User.find_by(email: params.dig(:spree_user, :email))
+    user && !user.confirmed?
   end
 end

config/routes.rb

@@ -16,7 +16,6 @@ Openfoodnetwork::Application.routes.draw do
 
   get "/register", to: "registration#index", as: :registration
   get "/register/auth", to: "registration#authenticate", as: :registration_auth
-  post "/user/registered_email", to: "spree/users#registered_email"
   resources :locales, only: [:show]
 
   # Redirects to global website

spec/controllers/spree/users_controller_spec.rb

@@ -55,22 +55,6 @@ RSpec.describe Spree::UsersController, type: :controller do
     end
   end
 
-  describe "#registered_email" do
-    routes { Openfoodnetwork::Application.routes }
-
-    let!(:user) { create(:user) }
-
-    it "returns ok (200) if email corresponds to a registered user" do
-      post :registered_email, params: { email: user.email }
-      expect(response).to have_http_status(:ok)
-    end
-
-    it "returns not_found (404) if email does not correspond to a registered user" do
-      post :registered_email, params: { email: 'nonregistereduser@example.com' }
-      expect(response).to have_http_status(:not_found)
-    end
-  end
-
   describe '#load_object' do
     it 'redirects to signup path if user is not found' do
       allow(controller).to receive_messages(spree_current_user: nil)