gbproxy: Remove unused variable assignment

Change-Id: I79684e0b27211d756912a63be5cae890ea44be82
diff --git a/src/gbproxy/gb_proxy.c b/src/gbproxy/gb_proxy.c
index da232e2..1ce2716 100644
--- a/src/gbproxy/gb_proxy.c
+++ b/src/gbproxy/gb_proxy.c
@@ -868,7 +868,6 @@
 	switch (pdu_type) {
 	case BSSGP_PDUT_BVC_RESET:
 		/* resolve or create gbproxy_bvc + handlei n BVC-FSM */
-		ptp_bvci = ntohs(tlvp_val16_unal(&tp, BSSGP_IE_BVCI));
 		return rx_bvc_reset_from_bss(nse, msg, &tp);
 	case BSSGP_PDUT_BVC_RESET_ACK:
 		ptp_bvci = ntohs(tlvp_val16_unal(&tp, BSSGP_IE_BVCI));