Synchronize new proto changes.
diff --git a/google/cloud/videointelligence/v1beta2/videointelligence_gapic.yaml b/google/cloud/videointelligence/v1beta2/videointelligence_gapic.yaml
index 4731683..d001e74 100644
--- a/google/cloud/videointelligence/v1beta2/videointelligence_gapic.yaml
+++ b/google/cloud/videointelligence/v1beta2/videointelligence_gapic.yaml
@@ -56,9 +56,6 @@
       poll_delay_multiplier: 1.5
       max_poll_delay_millis: 45000
       total_poll_timeout_millis: 86400000
-    required_fields:
-      - input_uri
-      - features
     request_object_method: true
     retry_codes_name: idempotent
     retry_params_name: default