powerpc/configs: Drop NET_VENDOR_HP which moved to staging

The HP network driver moved to staging in commit 52340b82 ("hp100:
Move 100BaseVG AnyLAN driver to staging") meaning we don't need to
disable it any more in our defconfigs.

Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Acked-by: Joel Stanley <joel@jms.id.au>
Link: https://lore.kernel.org/r/20200121043000.16212-3-mpe@ellerman.id.au

arch/powerpc/configs/44x/akebono_defconfig

@@ -59,7 +59,6 @@ CONFIG_BLK_DEV_SD=y
 # CONFIG_NET_VENDOR_DLINK is not set
 # CONFIG_NET_VENDOR_EMULEX is not set
 # CONFIG_NET_VENDOR_EXAR is not set
-# CONFIG_NET_VENDOR_HP is not set
 CONFIG_IBM_EMAC=y
 # CONFIG_NET_VENDOR_MARVELL is not set
 # CONFIG_NET_VENDOR_MELLANOX is not set

arch/powerpc/configs/skiroot_defconfig

@@ -146,7 +146,6 @@ CONFIG_CHELSIO_T1=m
 # CONFIG_NET_VENDOR_DLINK is not set
 CONFIG_BE2NET=m
 # CONFIG_NET_VENDOR_EZCHIP is not set
-# CONFIG_NET_VENDOR_HP is not set
 # CONFIG_NET_VENDOR_HUAWEI is not set
 CONFIG_E1000=m
 CONFIG_E1000E=m