classes: Drop now unneeded update_data calls

Now that the datastore works dynamically we don't need the update_data calls
so we can just remove them. They're not actually done anything at all for
a while.

(From OE-Core rev: 8de0c5d3bd01919e2bf0394f9c485936d6098cec)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/classes/package_tar.bbclass

@@ -38,7 +38,6 @@ python do_package_tar () {
 
         overrides = localdata.getVar('OVERRIDES', False)
         localdata.setVar('OVERRIDES', '%s:%s' % (overrides, pkg))
-        bb.data.update_data(localdata)
 
         bb.utils.mkdirhier(root)
         basedir = os.path.dirname(root)