Deprecate gfe2_restart_flag_quic_enable_tls_resumption_v4
This change also removes flag/code count macros added to assist in debugging
deployment of this flag.
PiperOrigin-RevId: 332960494
Change-Id: Icf26e62d13c538d6615faf4f62d0ab7bc7565b10
QUICHE (QUIC, Http/2, Etc) is Google‘s implementation of QUIC and related protocols. It powers Chromium as well as Google’s QUIC servers and some other projects.