cleanup memory for streamptr->vars[varID].level

src/stream_cdf.c

@@ -6051,9 +6051,7 @@ void define_all_vars(stream_t *streamptr, int vlistID, int instID, int modelID,
         vlistDefVarChunkType(vlistID, varID, ncvars[ncvarid].chunktype);
 #endif
 
-      streamptr->vars[varID1].level   = NULL;
       streamptr->vars[varID1].defmiss = 0;
-      streamptr->vars[varID1].nlevs   = zaxisInqSize(ncvars[ncvarid].zaxisID);
       streamptr->vars[varID1].ncvarid = ncvarid;
 
       vlistDefVarName(vlistID, varID, ncvars[ncvarid].name);

src/stream_var.c

@@ -23,8 +23,6 @@ void streamvar_init_entry(stream_t *streamptr, int varID)
   streamptr->vars[varID].gridID       = CDI_UNDEFID;
   streamptr->vars[varID].zaxisID      = CDI_UNDEFID;
   streamptr->vars[varID].tsteptype    = CDI_UNDEFID;
-  streamptr->vars[varID].level        = NULL;
-  streamptr->vars[varID].nlevs        = 0;
 }
 
 static