Update reference/tax_classes.v3.yaml

Co-authored-by: Brett Daniels <theromulans@gmail.com>

Author: bc-vincent-zhao

reference/tax_classes.v3.yaml

@@ -286,7 +286,7 @@ components:
           - id
           - name
         description: |
-          Each item must include `id` and at least one other field. Only `name` is permitted alongside `id`.
+          Each item must include `id` and at least one other field.
         properties:
           id:
             type: integer