distro: do not override DISTRO in base inc

This file originally was not written to be included. Once it was moved
to an include, should have removed the DISTRO override. The gsj system
recently moved to a custom distro that includes this file. Need to
ensure DISTRO is not overridden.

Change-Id: I73a779819d46cddca40fc2acb437a64d4b1d0128
Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
diff --git a/conf/distro/include/phosphor-base.inc b/conf/distro/include/phosphor-base.inc
index 86cc54c..31e669b 100644
--- a/conf/distro/include/phosphor-base.inc
+++ b/conf/distro/include/phosphor-base.inc
@@ -74,7 +74,6 @@
 require conf/distro/include/no-static-libs.inc
 require conf/distro/include/yocto-uninative.inc
 
-DISTRO = "openbmc-phosphor"
 DISTRO_NAME = "Phosphor OpenBMC (Phosphor OpenBMC Project Reference Distro)"
 DISTRO_VERSION = "0.1.0"
 TARGET_VENDOR="-openbmc"