Update removal_of_types.asciidoc
Corrected  `include_in_type` to `include_type_name`
@@ -274,7 +274,7 @@ Elasticsearch 8.x::
Elasticsearch 9.x::
-* The `include_in_type` parameter is removed.
+* The `include_type_name` parameter is removed.
[float]
=== Migrating multi-type indices to single-type
