Deprecate flags for Cubic fixes: FLAGS_quic_reloadable_flag_quic_fix_beta_last_max, gfe2_reloadable…

net/quic/core/quic_flags_list.h

Index: net/quic/core/quic_flags_list.h
diff --git a/net/quic/core/quic_flags_list.h b/net/quic/core/quic_flags_list.h
index ee5c2376c7e204cf0b9d9968e2d6202964157bfc..8f654f6babfb29bb9c7fb9b03d4e3240b0f57c1e 100644
--- a/net/quic/core/quic_flags_list.h
+++ b/net/quic/core/quic_flags_list.h
@@ -86,22 +86,10 @@ QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_quic_enable_force_hol_blocking, true)
 // allow CHLO packets to be buffered until next iteration of the event loop.
 QUIC_FLAG(bool, FLAGS_quic_allow_chlo_buffering, true)
 
-// If true, fix some casts that were causing off-by-one errors in QUIC's cubic
-// "convex" increases.
-QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_quic_fix_cubic_convex_mode, true)
-
 // If true, GFE sends SETTINGS_MAX_HEADER_LIST_SIZE to the client at the
 // beginning of a connection.
 QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_quic_send_max_header_list_size, true)
 
-// If true, fix quantization of CubicBytes while performing convex increases.
-QUIC_FLAG(bool,
-          FLAGS_quic_reloadable_flag_quic_fix_cubic_bytes_quantization,
-          true)
-
-// If true, fix Cubic\'s use of kBetaLastMax for n-connection emulation.
-QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_quic_fix_beta_last_max, true)
-
 // If greater than zero, mean RTT variation is multiplied by the specified
 // factor and added to the congestion window limit.
 QUIC_FLAG(double, FLAGS_quic_bbr_rtt_variation_weight, 0.0f)
@@ -120,12 +108,6 @@ QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_quic_allow_one_address_change, false)
 // faster than the sending rate.
 QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_quic_bbr_ack_aggregation_bytes, true)
 
-// If true, allow cubic updates on every ack, rather than occasionally limiting
-// the frequency to once every 30ms.
-QUIC_FLAG(bool,
-          FLAGS_quic_reloadable_flag_quic_enable_cubic_per_ack_updates,
-          true)
-
 // Support bandwidth resumption in QUIC BBR.
 QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_quic_bbr_bandwidth_resumption, false)