config: cleaning up deprecated configs (#2295)
config: cleaning up deprecated configs (#2295)

Switching off of deprecated http2 and watchdog configs.
Should be a functional no-op.

Risk Level:
Testing: no test changes
Docs Changes: n/a
Release Notes: n/a

Signed-off-by: Alyssa Wilk <b9253d1ec9cc3e9d2aab68d288ba3dab3452adf6@chromium.org>
envoyproxy/envoy-mobile,envoyproxy/envoy-mobile,envoyproxy/envoy-mobile,envoyproxy/envoy-mobile,envoyproxy/envoy-mobile,envoyproxy/envoy-mobile,envoyproxy/envoy-mobile,envoyproxy/envoy-mobile,envoyproxy/envoy-mobile