remove function decode_cellGroupConfig since it is declared but never used anywhere

openair2/LAYER2/NR_MAC_gNB/nr_radio_config.c

@@ -3944,14 +3944,6 @@ int encode_cellGroupConfig(NR_CellGroupConfig_t *cellGroupConfig, uint8_t *buffe
   return (enc_rval.encoded + 7) / 8;
 }
 
-NR_CellGroupConfig_t *decode_cellGroupConfig(const uint8_t *buffer, int buffer_size)
-{
-  NR_CellGroupConfig_t *cellGroupConfig = NULL;
-  asn_dec_rval_t rval = uper_decode(NULL, &asn_DEF_NR_CellGroupConfig, (void **)&cellGroupConfig, buffer, buffer_size, 0, 0);
-  AssertFatal(rval.code == RC_OK, "could not decode cellGroupConfig\n");
-  return cellGroupConfig;
-}
-
 static NR_ServingCellConfigCommon_t *clone_ServingCellConfigCommon(const NR_ServingCellConfigCommon_t *scc)
 {
   if (scc == NULL)

openair2/LAYER2/NR_MAC_gNB/nr_radio_config.h

@@ -97,7 +97,6 @@ void update_cellGroupConfig(NR_CellGroupConfig_t *cellGroupConfig,
                             const nr_mac_config_t *configuration,
                             const NR_ServingCellConfigCommon_t *scc);
 int encode_cellGroupConfig(NR_CellGroupConfig_t *cellGroupConfig, uint8_t *buffer, int max_buffer_size);
-NR_CellGroupConfig_t *decode_cellGroupConfig(const uint8_t *buffer, int max_buffer_size);
 
 /* Note: this function returns a new CellGroupConfig for a user with given
  * configuration, but it will also overwrite the ServingCellConfig passed in