remove unnecessary patch
@@ -67,11 +67,6 @@ install_sugar || fail_test 'Installing HEAD Sugar failed'
header "Running postupgrade tests"
go_test_e2e -tags=postupgrade -timeout="${TIMEOUT}" ./test/upgrade || fail_test
-# We need to manually patch the Subscription because the newer version has webhook
-# and the older one doesn't have it and simply applying it will not work.
-# https://github.com/knative/eventing/issues/3466
-kubectl patch crd subscriptions.messaging.knative.dev --type='json' -p '[{"op" : "remove", "path" : "/spec/conversion/webhook"},{"op":"replace", "path":"/spec/conversion/strategy","value" : "None"}]'
-
header "Performing downgrade to latest release"
install_latest_release || fail_test 'Installing latest release of Knative Eventing failed'
