Issue #2024867 by vijaycs85: Rename translation_entity() to content_translation().

core/lib/Drupal/Core/Entity/Annotation/EntityType.php

.../Drupal/custom_block/CustomBlockTranslationController.php

...lib/Drupal/custom_block/CustomBlockTypeFormController.php

...rupal/custom_block/Tests/CustomBlockTranslationUITest.php

core/modules/comment/comment.admin.inc

core/modules/comment/comment.module

core/modules/comment/comment.views.inc

...mment/lib/Drupal/comment/CommentTranslationController.php

...ent/lib/Drupal/comment/Tests/CommentTranslationUITest.php

...modules/content_translation/content_translation.admin.inc

.../modules/content_translation/content_translation.admin.js

.../modules/content_translation/content_translation.info.yml

core/modules/content_translation/content_translation.install

core/modules/content_translation/content_translation.module

...modules/content_translation/content_translation.pages.inc

...ules/content_translation/content_translation.services.yml

...ules/content_translation/css/translation_entity.admin.css

...upal/content_translation/ContentTranslationController.php

...ent_translation/ContentTranslationControllerInterface.php

...al/content_translation/ContentTranslationControllerNG.php