Staging: hv: remove STRUCT_PACKED and STRUCT_ALIGNED defines

Use the correct __attribute__((packed)) one if it's really needed.

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

drivers/staging/hv/RingBuffer.h

@@ -43,7 +43,7 @@ typedef struct _RING_BUFFER {
 	// volatile u32 InterruptMask;
 	// Ring data starts here + RingDataStartOffset !!! DO NOT place any fields below this !!!
     u8		Buffer[0];
-} STRUCT_PACKED RING_BUFFER;
+} __attribute__((packed)) RING_BUFFER;
 
 typedef struct _RING_BUFFER_INFO {
     RING_BUFFER*	RingBuffer;

drivers/staging/hv/include/osd.h

@@ -30,9 +30,6 @@
 //
 
 
-#define STRUCT_PACKED		__attribute__((__packed__))
-#define STRUCT_ALIGNED(x)	__attribute__((__aligned__(x)))
-
 #define UNUSED_VAR(v)		v  __attribute__((__unused__))
 
 #define ALIGN_UP(value, align)			( ((value) & (align-1))? ( ((value) + (align-1)) & ~(align-1) ): (value) )