Remove todo.

Author: ctailor2

spring-data-relational/src/test/java/org/springframework/data/relational/core/conversion/DbActionTestSupport.java

@@ -48,7 +48,6 @@ static Class<?> actualEntityType(DbAction a) {
 
 	@Nullable
 	static Boolean insertIncludeId(DbAction<?> action) {
-//		TODO: This makes me wonder if there should be an interface for includeId
 		if (action instanceof DbAction.InsertRoot) {
 			return ((DbAction.InsertRoot<?>) action).isIncludeId();
 		} else if (action instanceof DbAction.Insert) {