Merge pull request #5346 from blueyed/docs-link-fix-undefined-schema

docs/link.html: fix/remove undefined template var "schema"

rest_framework/templates/rest_framework/docs/link.html

@@ -99,4 +99,4 @@
     </div>
 </div>
 
-{% include "rest_framework/docs/interact.html" with link=link schema=schema %}
+{% include "rest_framework/docs/interact.html" with link=link %}