remove C++ style comments of old code (overleft from https://trac.osgeo.org/grass/changeset/61812)

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@62280 15284696-431f-4ddb-bdfa-cd5b030d7da7

raster/r.li/r.li.daemon/avl.c

@@ -201,7 +201,6 @@ long avl_to_array(avl_node * root, long i, AVL_table a)
 	if (a == NULL)
 	    G_fatal_error("avl, avl_to_array: null value");
 	else {
-	    //a[i] = G_malloc(sizeof(AVL_tableRow));
 	    a[i].k = root->key;
 	    a[i].tot = root->counter;
 	    i++;

raster/r.li/r.li.shannon/shannon.c

@@ -124,7 +124,6 @@ int calculate(int fd, struct area_entry *ad, double *result)
 
     avl_tree albero = NULL;
     AVL_table array;
-    //AVL_tableRow *array;
     generic_cell uc;
 
     uc.t = CELL_TYPE;