Remove routing table init in nas_config()

The routing table is temporarily removed in this commit and introduced
in one of the next commits.

openair2/RRC/NAS/nas_config.c

@@ -221,24 +221,6 @@ int nas_config(int interface_id, int thirdOctet, int fourthOctet, const char *if
     LOG_E(OIP,"Interface %s couldn't be configured (ip address %s, mask %s broadcast address %s)\n",
           interfaceName, ipAddress, netMask, broadcastAddress);
 
-  int res;
-  char command_line[500];
-  res = sprintf(command_line,
-    "ip rule add from %s/32 table %d && "
-    "ip rule add to %s/32 table %d && "
-    "ip route add default dev %s%d table %d",
-    ipAddress, interface_id - 1 + 10000,
-    ipAddress, interface_id - 1 + 10000,
-    UE_NAS_USE_TUN ? "oaitun_ue" : "oip",
-    interface_id, interface_id - 1 + 10000);
-
-  if (res < 0) {
-    LOG_E(OIP,"Could not create ip rule/route commands string\n");
-    return res;
-  }
-
-  background_system(command_line);
-
   return returnValue;
 }