binaryPI vendorcode: Remove HeapXXBuffer functions

The HeapAllocateBuffer and HeapDeallocateBuffer functions are not used.

Change-Id: I491a796d87afd0e37051f9caabfff3f70d4d803c
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/22069
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
3 files changed