meta-phosphor: distro: drop meta-virt

meta-virtualization was dropped from Phosphor OpenBMC awhile back.
There isn't any reason to continue setting this variable.

Change-Id: I0c12637453813e1e2058d796fa9999d8fd390abb
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/conf/distro/include/phosphor-base.inc b/conf/distro/include/phosphor-base.inc
index c92b5b5..f6a8256 100644
--- a/conf/distro/include/phosphor-base.inc
+++ b/conf/distro/include/phosphor-base.inc
@@ -137,12 +137,6 @@
 
 IMAGE_INSTALL_append = " dbus-broker"
 
-# OpenBMC uses a couple recipes from meta-virtualization
-# but we do not actually want any virtualization support
-# enabled on a BMC distribution.  Silence the emitted
-# warning.
-SKIP_META_VIRT_SANITY_CHECK = "1"
-
 # Skip the udev database by default.  It adds around 2MB
 # compressed to the root filesystem, and probably doesn't
 # make sense on a BMC anyway.