Update educationassignment-remove-category.md

Author: JarbasHorst

api-reference/beta/api/educationassignment-remove-category.md

@@ -45,7 +45,7 @@ If successful, this method returns a `204 No Content` response code.
 The following example shows a request.
 <!-- {
   "blockType": "request",
-  "name": "add_educationcategory_to_educationassignment"
+  "name": "remove_educationcategory_from_educationassignment"
 }-->
 ```http
 DELETE https://graph.microsoft.com/beta/education/classes/37d99af7-cfc5-4e3b-8566-f7d40e4a2070/assignments/e98aaae1-7c98-4e65-bb62-1994fe410552/categories/39e3d9dc-7244-42d7-8b4d-1071aae5eb41/$ref