hv: hyperv.h: Remove unused inline functions

There are some unused inline functions in hyper.h.

Remove those unused functions.

Signed-off-by: Sonia Sharma <sonia.sharma@microsoft.com>
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Link: https://lore.kernel.org/r/1626903663-23615-1-git-send-email-sosha@linux.microsoft.com


Signed-off-by: Wei Liu <wei.liu@kernel.org>