HTTP1 codec: Remove dead code. (#23628)
HTTP1 codec: Remove dead code. (#23628)

Remove dead code.

Signed-off-by: Kevin Baichoo <5e3f8f6a4edd970b0b20f0f06451154a9b859394@google.com>
envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy