gbproxy: Remove broken TLLI comparison

This comparison bit-ored the TLLI with 0xc000 instead of 0xc000000.

Since this has never worked properly yet and since normalizing to
local TLLIs doesn't seem sensible here, the comparison is removed
entirely.

Sponsored-by: On-Waves ehf
diff --git a/openbsc/src/gprs/gb_proxy.c b/openbsc/src/gprs/gb_proxy.c
index 2770388..72014b1 100644
--- a/openbsc/src/gprs/gb_proxy.c
+++ b/openbsc/src/gprs/gb_proxy.c
@@ -1140,7 +1140,6 @@
 	rc = gbprox_patch_dtap(msg, data, data_len, peer, len_change, parse_ctx);
 
 	if (parse_ctx->new_ptmsi &&
-	    (parse_ctx->new_ptmsi | 0xc000) != (tlli | 0xc000) &&
 	    peer->cfg->core_apn && parse_ctx->to_bss && parse_ctx->imsi) {
 		/* A new TLLI (PTMSI) has been signaled in the message */
 		LOGP(DGPRS, LOGL_INFO,