stream_gribapi: deactivate ensemble support (wrong implementation)

src/stream_gribapi.c

@@ -2832,14 +2832,14 @@ size_t gribapiEncode(int varID, int levelID, int vlistID, int gridID, int zaxisI
   if ( ! gc->init ) gribapiDefModel(gh, vlistID, varID);
 
   if ( ! gc->init ) gribapiDefParam(gh, param, name);
-
+  /*
   if( !vlistInqVarEnsemble( vlistID,  varID, &ensID, &ensCount, &forecast_type ) )
     {
       GRIB_CHECK(grib_set_long(gh, "typeOfEnsembleForecast", forecast_type ), 0);
       GRIB_CHECK(grib_set_long(gh, "numberOfForecastsInEnsemble", ensCount ), 0);
       GRIB_CHECK(grib_set_long(gh, "perturbationNumber", ensID ), 0);
     }
-
+  */
   gribapiDefTime(gh, vdate, vtime, tsteptype, numavg, vlistInqTaxis(vlistID));
 
   if ( editionNumber == 2 && (datatype == DATATYPE_FLT32 || datatype == DATATYPE_FLT64) ) lieee = TRUE;