Remove a dead return statement from QuicReceivedPacket::Clone
which was left by accident in cl/595547494.

PiperOrigin-RevId: 595806285

quiche/quic/core/quic_packets.cc

diff --git a/quiche/quic/core/quic_packets.cc b/quiche/quic/core/quic_packets.cc
index e864251..646cdb1 100644
--- a/quiche/quic/core/quic_packets.cc
+++ b/quiche/quic/core/quic_packets.cc
@@ -383,9 +383,6 @@
           buffer, this->length(), receipt_time(), true, ttl(), ttl() >= 0,
           headers_buffer, this->headers_length(), true);
     }
-    return std::make_unique<QuicReceivedPacket>(
-        buffer, this->length(), receipt_time(), true, ttl(), ttl() >= 0,
-        headers_buffer, this->headers_length(), true, this->ecn_codepoint());
   }
 
   if (GetQuicReloadableFlag(quic_clone_ecn)) {