Revert "profiling: use starpu_memory_nodes_get_count() instead of STARPU_MAX_NODES"

This reverts commit 30a107bdce0a7edf6e3f445ea5a0d77e55f71fd9.

src/profiling/profiling.c

@@ -364,12 +364,10 @@ void _starpu_profiling_set_task_push_end_time(struct starpu_task *task)
 
 void _starpu_initialize_busid_matrix(void)
 {
-	int num_nodes = starpu_memory_nodes_get_count();
 	int i, j;
-
-	for (j = 0; j <= num_nodes; j++)
-		for (i = 0; i <= num_nodes; i++)
-			busid_matrix[i][j] = -1;
+	for (j = 0; j < STARPU_MAXNODES; j++)
+	for (i = 0; i < STARPU_MAXNODES; i++)
+		busid_matrix[i][j] = -1;
 
 	busid_cnt = 0;
 }