x86/hyperv: Remove duplicate include

Clean up the following includecheck warning:

./arch/x86/hyperv/ivm.c: linux/bitfield.h is included more than once.
./arch/x86/hyperv/ivm.c: linux/types.h is included more than once.

Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Link: https://lore.kernel.org/r/1635325022-99889-1-git-send-email-jiapeng.chong@linux.alibaba.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>

arch/x86/hyperv/ivm.c

@@ -6,11 +6,9 @@
  *  Tianyu Lan <Tianyu.Lan@microsoft.com>
  */
 
-#include <linux/types.h>
 #include <linux/bitfield.h>
 #include <linux/hyperv.h>
 #include <linux/types.h>
-#include <linux/bitfield.h>
 #include <linux/slab.h>
 #include <asm/svm.h>
 #include <asm/sev.h>