Remove NRRRC_CONFIGURATION_REQ and initalize RRC properly

Use a struct to initialize the RRC at the beginning, and remove the
NRRRC_CONFIGURATION_REQ. This message is not necessary; the RRC/CU
should be initialized from the F1 Setup Request, coming from the DU.

openair2/GNB_APP/gnb_app.h

@@ -33,7 +33,6 @@
 #include <stdint.h>
 
 void *gNB_app_task(void *args_p);
-void configure_nr_rrc(uint32_t gnb_id);
 uint32_t gNB_app_register(uint32_t gnb_id_start, uint32_t gnb_id_end);
 uint32_t gNB_app_register_x2(uint32_t gnb_id_start, uint32_t gnb_id_end);
 #endif /* GNB_APP_H_ */