Remove unused is_init

This field is never used anywhere.
Signed-off-by: Robert Schmidt <robert.schmidt@openairinterface.org>

executables/ru_control.c

@@ -561,7 +561,8 @@ void* ru_thread_control( void* param )
 					 
 		//if (ru->is_slave == 1) lte_sync_time_init(&ru->frame_parms);
 
-		if (ru->rfdevice.is_init != 1) openair0_device_load(&ru->rfdevice,&ru->openair0_cfg);
+    int ret = openair0_device_load(&ru->rfdevice, &ru->openair0_cfg);
+    AssertFatal(ret == 0, "could not load device library\n");
 		
 		if (ru->rfdevice.trx_config_func) AssertFatal((ru->rfdevice.trx_config_func(&ru->rfdevice,&ru->openair0_cfg)==0), 
 							      "Failed to configure RF device for RU %d\n",ru->idx);

openair1/PHY/TOOLS/calibration_test.c

@@ -107,8 +107,6 @@ int main(int argc, char **argv) {
     .eth_params=NULL,
     //! record player data, definition in record_player.h
     .recplay_state=NULL,
-    /* !brief Indicates if device already initialized */
-    .is_init=0,
     /*!brief Can be used by driver to hold internal structure*/
     .priv=NULL,
     /* Functions API, which are called by the application*/

radio/COMMON/common_lib.h

@@ -376,8 +376,6 @@ struct openair0_device {
   eth_params_t *eth_params;
   //! record player data, definition in record_player.h
   recplay_state_t *recplay_state;
-  /* !brief Indicates if device already initialized */
-  int is_init;
   /*!brief Can be used by driver to hold internal structure*/
   void *priv;