ACPI: delelte more BFS/GTS related definition and code

This is a follow on for commmit 3f6f49c7 "ACPI: delete _GTS/_BFS support"
to do more cleanup.

Signed-off-by: Feng Tang <feng.tang@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>

include/acpi/acnames.h

@@ -66,8 +66,6 @@
 
 /* Method names - these methods must appear at the namespace root */
 
-#define METHOD_PATHNAME__BFS    "\\_BFS"
-#define METHOD_PATHNAME__GTS    "\\_GTS"
 #define METHOD_PATHNAME__PTS    "\\_PTS"
 #define METHOD_PATHNAME__SST    "\\_SI._SST"
 #define METHOD_PATHNAME__WAK    "\\_WAK"