This should reduce the binary size, which is particularly important for Envoy Mobile. Looking at a
local opt build with debug symbols, I'm seeing a drop from ~400MB to ~380MB, so maybe 5% saving. @Reflejo indicates that optimized Envoy Mobile without symbols is observing ~20% improvement.
Related to #10943
Risk level: Low
Testing: bazel query deps to confirm no more v2 API deps.
Signed-off-by: Harvey Tuch <htuch@google.com>
Mirrored from https://github.com/envoyproxy/envoy @ 53fca618e47702f6c8dbc323db9bd39d15725457