MINOR: listener: remove unneeded local accept flag

Remove the receiver RX_F_LOCAL_ACCEPT flag. This was used by QUIC
protocol before thread rebinding was supported by the quic_conn layer.

This should be backported up to 2.7 after the previous patch has also
been taken.
diff --git a/include/haproxy/receiver-t.h b/include/haproxy/receiver-t.h
index 4372d46..0dfca42 100644
--- a/include/haproxy/receiver-t.h
+++ b/include/haproxy/receiver-t.h
@@ -33,7 +33,6 @@
 #define RX_F_BOUND              0x00000001  /* receiver already bound */
 #define RX_F_INHERITED          0x00000002  /* inherited FD from the parent process (fd@) */
 #define RX_F_MWORKER            0x00000004  /* keep the FD open in the master but close it in the children */
-#define RX_F_LOCAL_ACCEPT       0x00000008  /* do not use a tasklet for accept, connections will be accepted on the current thread */
 
 /* Bit values for rx_settings->options */
 #define RX_O_FOREIGN            0x00000001  /* receives on foreign addresses */
diff --git a/src/listener.c b/src/listener.c
index 07c7f92..ad72c8e 100644
--- a/src/listener.c
+++ b/src/listener.c
@@ -1096,9 +1096,6 @@
 
 
 #if defined(USE_THREAD)
-		if (l->rx.flags & RX_F_LOCAL_ACCEPT)
-			goto local_accept;
-
 		mask = l->rx.bind_thread & _HA_ATOMIC_LOAD(&tg->threads_enabled);
 		if (atleast2(mask) && (global.tune.options & GTUNE_LISTENER_MQ) && !stopping) {
 			struct accept_queue_ring *ring;