gprs_ns2_vty_create: remove bind pointer check

The bind pointer can't be NULL because gprs_ns2_ip_bind()
is either return 0 and bind is valid or != 0 and returning.

Found-by: Coverity
Fixes: CID#214854
Change-Id: I11d86c9cb36226701e51942f14d7a6412c3eff26
diff --git a/src/gb/gprs_ns2_vty.c b/src/gb/gprs_ns2_vty.c
index 01eb534..c6c4b02 100644
--- a/src/gb/gprs_ns2_vty.c
+++ b/src/gb/gprs_ns2_vty.c
@@ -810,17 +810,15 @@
 		}
 		nse->persistent = true;
 
-		if (bind) {
-			nsvc = gprs_ns2_ip_connect(bind,
-						   &sockaddr,
-						   nse,
-						   vtyvc->nsvci);
-			if (!nsvc) {
-				/* Could not create NSVC, connect failed */
-				continue;
-			}
-			nsvc->persistent = true;
+		nsvc = gprs_ns2_ip_connect(bind,
+					   &sockaddr,
+					   nse,
+					   vtyvc->nsvci);
+		if (!nsvc) {
+			/* Could not create NSVC, connect failed */
+			continue;
 		}
+		nsvc->persistent = true;
 	}