Remove outdated doc about using deprecated-v1 (#3543)
Remove outdated doc about using deprecated-v1 (#3543)

Signed-off-by: Shriram Rajagopalan <shriramr@vmware.com>

Mirrored from https://github.com/envoyproxy/envoy @ f9cc4e2c3916d1994514d22cfa2eb901589d4726

lyft/envoy-api,lyft/envoy-api,lyft/envoy-api