Issue #3097883 by longwave, andypost: Remove all @deprecated code in \Drupal\Core\Routing

core/lib/Drupal/Component/Utility/UrlHelper.php

core/lib/Drupal/Core/Controller/ControllerBase.php

core/lib/Drupal/Core/Entity/Controller/EntityController.php

core/lib/Drupal/Core/Form/FormBase.php

...b/Drupal/Core/Routing/Enhancer/RouteEnhancerInterface.php

core/lib/Drupal/Core/Routing/LinkGeneratorTrait.php

core/lib/Drupal/Core/Routing/RouteFilterInterface.php

core/lib/Drupal/Core/Routing/Router.php

core/lib/Drupal/Core/Routing/UrlGeneratorTrait.php

...modules/views/src/Plugin/views/display/PathPluginBase.php

...odules/views/src/Plugin/views/wizard/WizardPluginBase.php

...tests/Drupal/Tests/Core/Routing/UrlGeneratorTraitTest.php