Moved everything relating to cases into opencase_cases module

modules/opencase_cases/src/OCCaseTranslationHandler.php

@@ -0,0 +1,14 @@
+<?php
+
+namespace Drupal\opencase_entities;
+
+use Drupal\content_translation\ContentTranslationHandler;
+
+/**
+ * Defines the translation handler for oc_case.
+ */
+class OCCaseTranslationHandler extends ContentTranslationHandler {
+
+  // Override here the needed methods from ContentTranslationHandler.
+
+}