alibaba-thor: remove empty distro indirection

Most openbmc machines use DISTRO="openbmc-phosphor" but
Thor has a "alibaba-openbmc" distro config file.  This
config file has nothing except an inclusion of the phosphor
one, so remove this useless indirection.

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I9d4038c7bd58112fe9f2396c71f9bbd285b148bf
diff --git a/meta-alibaba/meta-thor/conf/local.conf.sample b/meta-alibaba/meta-thor/conf/local.conf.sample
index 09c441f..fbae84b 100644
--- a/meta-alibaba/meta-thor/conf/local.conf.sample
+++ b/meta-alibaba/meta-thor/conf/local.conf.sample
@@ -58,9 +58,9 @@
 # Ultimately when creating custom policy, people will likely end up subclassing
 # these defaults.
 #
-DISTRO ?= "alibaba-openbmc"
+DISTRO ?= "openbmc-phosphor"
 # As an example of a subclass there is a "bleeding" edge policy configuration
-# where many versions are set to the absolute latest code from the upstream 
+# where many versions are set to the absolute latest code from the upstream
 # source control systems. This is just mentioned here as an example, its not
 # useful to most new users.
 # DISTRO ?= "poky-bleeding"