Revert "BaseTools: Add gcc flag to warn on void* pointer arithmetic"

Revert "BaseTools: Add gcc flag to warn on void* pointer arithmetic"

This reverts commit dbd546a32d5abe225306e22d43a7d86e3a042eee.

This patch also breaks about half of the ARM/AARCH64 platforms in edk2-platforms

Signed-off-by: Bob Feng <bob.c.feng@intel.com>
Cc: Pierre Gondois <pierre.gondois@arm.com>
Cc: Leif Lindholm <leif@nuviainc.com>
Cc: Andrew Fish <afish@apple.com>
Cc: Leif Lindholm <leif@nuviainc.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Reviewed-by: Leif Lindholm <leif@nuviainc.com>