Remove more dead code from usersregistration (signup calls are always ajax)

app/controllers/user_registrations_controller.rb

@@ -21,10 +21,6 @@ class UserRegistrationsController < Spree::UserRegistrationsController
     associate_user
 
     respond_to do |format|
-      format.html do
-        set_flash_message(:success, :signed_up_but_unconfirmed)
-        redirect_to after_sign_in_path_for(@user)
-      end
       format.js do
         render json: { email: @user.email }
       end

spec/controllers/user_registrations_controller_spec.rb

@@ -59,24 +59,4 @@ describe UserRegistrationsController, type: :controller do
       cookies[:locale] = original_locale_cookie
     end
   end
-
-  context "when registration succeeds" do
-    context "when referer is not '/checkout'" do
-      it "redirects to root" do
-        spree_post :create, spree_user: {email: "test@test.com", password: "testy123", password_confirmation: "testy123"}, :use_route => :spree
-        expect(response).to redirect_to root_path
-        expect(assigns[:user].email).to eq("test@test.com")
-      end
-    end
-
-    context "when referer is '/checkout'" do
-      before { @request.env['HTTP_REFERER'] = 'http://test.com/checkout' }
-
-      it "redirects to checkout" do
-        spree_post :create, spree_user: {email: "test@test.com", password: "testy123", password_confirmation: "testy123"}, :use_route => :spree
-        expect(response).to redirect_to checkout_path
-        expect(assigns[:user].email).to eq("test@test.com")
-      end
-    end
-  end
 end