Remove legacy ee routes

Remove legacy group routes that are EE only
Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

ee/config/routes/group.rb

@@ -112,12 +112,6 @@ constraints(::Constraints::GroupUrlConstrainer.new) do
 
     resource :dependency_proxy, only: [:show, :update]
   end
-
-  scope(path: 'groups/*group_id') do
-    Gitlab::Routing.redirect_legacy_paths(self, :analytics, :ldap, :ldap_group_links,
-                                          :notification_setting, :audit_events,
-                                          :pipeline_quota, :hooks, :boards)
-  end
 end
 
 # Dependency proxy for containers

ee/spec/requests/group_routing_spec.rb

-require 'spec_helper'
-
-describe 'Deprecated boards paths' do
-  let!(:group) { create(:group, name: 'gitlabhq') }
-
-  context 'when no group called boards exists' do
-    it 'redirects to boards page' do
-      get('/groups/gitlabhq/boards')
-
-      expect(response).to redirect_to('/groups/gitlabhq/-/boards')
-    end
-
-    it 'redirects to the boards page with additional params' do
-      get('/groups/gitlabhq/boards/1?foo=bar')
-
-      expect(response).to redirect_to(group_board_path(group, 1, foo: 'bar'))
-    end
-  end
-
-  context 'when a group called boards exists', :nested_groups do
-    before do
-      create(:group, name: 'boards', parent: group)
-    end
-
-    it 'does not redirect to the main boards page' do
-      get('/groups/gitlabhq/boards')
-
-      expect(response).to have_gitlab_http_status(200)
-    end
-
-    it 'does not redirect to the boards page with additional params' do
-      get('/groups/gitlabhq/boards/-/issues')
-
-      expect(response).to have_gitlab_http_status(200)
-    end
-
-    it 'redirects to the boards page with additional params if there is no matching route on the subgroup' do
-      get('/groups/gitlabhq/boards/1?foo=bar')
-
-      expect(response).to redirect_to(group_board_path(group, 1, foo: 'bar'))
-    end
-  end
-end