deprecate --FLAGS_quic_enable_app_limited_check

net/quic/core/quic_connection.cc

Index: net/quic/core/quic_connection.cc
diff --git a/net/quic/core/quic_connection.cc b/net/quic/core/quic_connection.cc
index efd35ca97cfc5a6a4bd4692b356037b262b380c3..b52db56080b5039bd8d3a96e74b8d12042ddda6f 100644
--- a/net/quic/core/quic_connection.cc
+++ b/net/quic/core/quic_connection.cc
@@ -2379,9 +2379,7 @@ QuicConnection::ScopedPacketBundler::~ScopedPacketBundler() {
     //     pacing rate of the connection is 1 Gbps, and the pacer granularity is
     //     1 ms, the caller should send at least 125k bytes in order to not
     //     be marked as application-limited.
-    if (FLAGS_quic_enable_app_limited_check) {
-      connection_->CheckIfApplicationLimited();
-    }
+    connection_->CheckIfApplicationLimited();
   }
   DCHECK_EQ(already_in_batch_mode_,
             connection_->packet_generator_.InBatchMode());