enb: remove stack type variable

srsenb/hdr/stack/enb_stack_base.h

@@ -60,7 +60,6 @@ typedef struct {
 } stack_log_args_t;
 
 typedef struct {
-  std::string      type;
   uint32_t         sync_queue_size; // Max allowed difference between PHY and Stack clocks (in TTI)
   uint32_t         gtpu_indirect_tunnel_timeout_msec;
   mac_args_t       mac;

srsenb/src/main.cc

@@ -66,8 +66,6 @@ void parse_args(all_args_t* args, int argc, char* argv[])
   // Command line or config file options
   bpo::options_description common("Configuration options");
   common.add_options()
-
-    ("enb.stack",              bpo::value<string>(&args->stack.type)->default_value("lte"), "Type of the upper stack [lte, nr]")
     ("enb.enb_id",             bpo::value<string>(&enb_id)->default_value("0x0"),                       "eNodeB ID")
     ("enb.name",               bpo::value<string>(&args->stack.s1ap.enb_name)->default_value("srsenb01"), "eNodeB Name")
     ("enb.mcc",                bpo::value<string>(&mcc)->default_value("001"),                          "Mobile Country Code")