ACPI: remove function tracing macros from drivers/acpi/*.c

a few invocations appeared due to the SBS and other patches.

Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/drivers/acpi/numa.c b/drivers/acpi/numa.c
index 4d62298..e5e448e 100644
--- a/drivers/acpi/numa.c
+++ b/drivers/acpi/numa.c
@@ -259,12 +259,10 @@
 {
 	int pxm, node = -1;
 
-	ACPI_FUNCTION_TRACE("acpi_get_node");
-
 	pxm = acpi_get_pxm(handle);
 	if (pxm >= 0)
 		node = acpi_map_pxm_to_node(pxm);
 
-	return_VALUE(node);
+	return node;
 }
 EXPORT_SYMBOL(acpi_get_node);