Issue #2053879 by tstoeckler, effulgentsia: Remove layout.module from core.

core/modules/layout/css/layout.admin.css

core/modules/layout/layout.info.yml

core/modules/layout/layout.module

core/modules/layout/layout.routing.yml

core/modules/layout/layout.services.yml

core/modules/layout/layouts/static/one-col/one-col.html.twig

core/modules/layout/layouts/static/one-col/one-col.yml

core/modules/layout/layouts/static/twocol/two-col.css

core/modules/layout/layouts/static/twocol/two-col.html.twig

core/modules/layout/layouts/static/twocol/two-col.yml

...les/layout/lib/Drupal/layout/Access/LayoutAccessCheck.php

...layout/lib/Drupal/layout/Config/BoundDisplayInterface.php

core/modules/layout/lib/Drupal/layout/Config/DisplayBase.php

...ules/layout/lib/Drupal/layout/Config/DisplayInterface.php

...yout/lib/Drupal/layout/Config/UnboundDisplayInterface.php

.../layout/lib/Drupal/layout/Controller/LayoutController.php

core/modules/layout/lib/Drupal/layout/Entity/Display.php

...odules/layout/lib/Drupal/layout/Entity/UnboundDisplay.php

...les/layout/lib/Drupal/layout/Plugin/Derivative/Layout.php

...s/layout/lib/Drupal/layout/Plugin/Layout/StaticLayout.php