Remove incorrect (and unused) capget code.

Note that if you revert this change, the code it removes is incorrect,
and doesn't handle the top 32 bits of capabilities, one of which we're
already using: CAP_BLOCK_SUSPEND.

Bug: 11508244
Change-Id: Ice1f51334bce4941c6d24d6016450a2ebcf92886
3 files changed