Staging: hv: remove volatile usage from HvSynicApi.h

It's pretty pointless as no one is using this structure, but even so
the use of volatile is so wrong here it's sad...

Cc: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/hv/include/HvSynicApi.h

@@ -212,7 +212,7 @@ struct hv_message {
 
 /* Define the synthetic interrupt message page layout. */
 struct hv_message_page {
-	volatile struct hv_message SintMessage[HV_SYNIC_SINT_COUNT];
+	struct hv_message SintMessage[HV_SYNIC_SINT_COUNT];
 };
 
 /* Define the synthetic interrupt controller event flags format. */
@@ -223,7 +223,7 @@ union hv_synic_event_flags {
 
 /* Define the synthetic interrupt flags page layout. */
 struct hv_synic_event_flags_page {
-	volatile union hv_synic_event_flags SintEventFlags[HV_SYNIC_SINT_COUNT];
+	union hv_synic_event_flags SintEventFlags[HV_SYNIC_SINT_COUNT];
 };
 
 /* Define SynIC control register. */