default-configs: remove CONFIG_PIIX_PCI

The CONFIG_PIIX_PCI=y setting was added in

  commit 70615c38
  Author: Blue Swirl <blauwirbel@gmail.com>
  Date:   Mon Mar 22 20:18:40 2010 +0000

    Compile sound devices only once

but nothing in that commit, nor anything pre-existing,
ever referenced CONFIG_PIIX_PCI.
Signed-off-by: NDaniel P. Berrange <berrange@redhat.com>
Message-Id: <1473096320-1638-4-git-send-email-berrange@redhat.com>
Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>

default-configs/i386-softmmu.mak

@@ -30,7 +30,6 @@ CONFIG_I8257=y
 CONFIG_IDE_ISA=y
 CONFIG_IDE_PIIX=y
 CONFIG_NE2000_ISA=y
-CONFIG_PIIX_PCI=y
 CONFIG_HPET=y
 CONFIG_APPLESMC=y
 CONFIG_I8259=y

default-configs/x86_64-softmmu.mak

@@ -30,7 +30,6 @@ CONFIG_I8257=y
 CONFIG_IDE_ISA=y
 CONFIG_IDE_PIIX=y
 CONFIG_NE2000_ISA=y
-CONFIG_PIIX_PCI=y
 CONFIG_HPET=y
 CONFIG_APPLESMC=y
 CONFIG_I8259=y