gfe-relnote: n/a - Remove the #if MMSG_MORE wrapper around kNumPacketsPerReadMmsgCall in quic_packet_reader.h

kNumPacketsPerReadMmsgCall is used unconditionally in quic_packet_reader.cc after cr/291783340

PiperOrigin-RevId: 291838639
Change-Id: Ia422d32ef623c9108d8e4ff371dd8d3bea6acd17

quic/core/quic_packet_reader.h

diff --git a/quic/core/quic_packet_reader.h b/quic/core/quic_packet_reader.h
index 3c6d928..623f01b 100644
--- a/quic/core/quic_packet_reader.h
+++ b/quic/core/quic_packet_reader.h
@@ -23,10 +23,8 @@
 
 namespace quic {
 
-#if MMSG_MORE
 // Read in larger batches to minimize recvmmsg overhead.
 const int kNumPacketsPerReadMmsgCall = 16;
-#endif
 
 class QUIC_EXPORT_PRIVATE QuicPacketReader {
  public: