staging: unisys: visorbus: remove useless ifdef

We shouldn't be checking if VMCALL_CONTROLVM_ADDR is defined, remove it.
Signed-off-by: NDavid Kershner <david.kershner@unisys.com>
Reviewed-by: NReviewed-by: Tim Sell <timothy.sell@unisys.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/unisys/visorbus/vmcallinterface.h

@@ -54,10 +54,6 @@ __unisys_extended_vmcall_gnuc(unsigned long long tuple,
 	return result;
 }
 
-#ifdef VMCALL_CONTROLVM_ADDR
-#undef VMCALL_CONTROLVM_ADDR
-#endif	/*  */
-
 /* define subsystem number for AppOS, used in uislib driver  */
 #define MDS_APPOS 0x4000000000000000L /* subsystem = 62 - AppOS */
 enum vmcall_monitor_interface_method_tuple { /* VMCALL identification tuples  */