Do not handle ^/_matrix/client/unstable/org.matrix.msc2716/rooms/.*/batch_send$ from workers anymore

Related to 0f02f0b4da

roles/custom/matrix-synapse/vars/main.yml

@@ -153,7 +153,6 @@ matrix_synapse_workers_generic_worker_endpoints:
   - ^/_matrix/client/v1/rooms/.*/hierarchy$
   - ^/_matrix/client/(v1|unstable)/rooms/.*/relations/
   - ^/_matrix/client/v1/rooms/.*/threads$
-  - ^/_matrix/client/unstable/org.matrix.msc2716/rooms/.*/batch_send$
   - ^/_matrix/client/unstable/im.nheko.summary/rooms/.*/summary$
   - ^/_matrix/client/(r0|v3|unstable)/account/3pid$
   - ^/_matrix/client/(r0|v3|unstable)/account/whoami$