MINOR: quic: remove uneeded tasklet_wakeup after accept

No need to explicitely wakeup quic-conn tasklet after accept is done.

This should be backported up to 2.7.
diff --git a/src/xprt_quic.c b/src/xprt_quic.c
index cfb93e7..16432db 100644
--- a/src/xprt_quic.c
+++ b/src/xprt_quic.c
@@ -135,8 +135,6 @@
 	/* mux-quic can now be considered ready. */
 	qc->mux_state = QC_MUX_READY;
 
-	tasklet_wakeup(qc->wait_event.tasklet);
-
 	ret = 1;
  out:
 	TRACE_LEAVE(QUIC_EV_CONN_NEW, qc);