libnet: Remove unused prototypes from netapps.h
libnet: Remove unused prototypes from netapps.h

These functions do not exist anymore, thus their prototypes
can be removed nowadays.

Signed-off-by: Thomas Huth <9e65be74847981e55b2564b6266c57d86d3bac05@redhat.com>
Signed-off-by: Alexey Kardashevskiy <ac1fc56530d7d037e1ea666f130daca22d72f964@ozlabs.ru>

qemu/SLOF,open-power-host-os/slof,open-power-host-os/slof,stefanberger/SLOF-tpm,aik/SLOF,stefanberger/SLOF-tpm,open-power-host-os/slof,aik/SLOF,stefanberger/SLOF-tpm,qemu/SLOF,open-power-host-os/slof,aik/SLOF,qemu/SLOF