iu_client.c: Remove unusued variable

Change-Id: If841d403010a73722ff69617a51719421febab56
diff --git a/src/iu_client.c b/src/iu_client.c
index 0724220..0f89515 100644
--- a/src/iu_client.c
+++ b/src/iu_client.c
@@ -678,7 +678,6 @@
 		   uint16_t lac, uint8_t rac, bool is_ps)
 {
 	struct ranap_iu_rnc *rnc;
-	int rc;
 	const char *log_msg;
 	int log_level;
 	int paged = 0;
@@ -824,4 +823,3 @@
 
 	return 0;
 }
-