ACPICA: Remove FORCE_DELETE option for global reference count mechanism

This option is not used and is obsolete.

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
diff --git a/drivers/acpi/acpica/acutils.h b/drivers/acpi/acpica/acutils.h
index bbeb961..202f4f1 100644
--- a/drivers/acpi/acpica/acutils.h
+++ b/drivers/acpi/acpica/acutils.h
@@ -113,9 +113,10 @@
 	u32 num_packages;
 };
 
+/* Object reference counts */
+
 #define REF_INCREMENT       (u16) 0
 #define REF_DECREMENT       (u16) 1
-#define REF_FORCE_DELETE    (u16) 2
 
 /* acpi_ut_dump_buffer */