Drop some unused classes

(Bitbake rev: 5cc47a49518c69c94f8b78e9dda6d542ba17b1e8)

Signed-off-by: Chris Larson <chris_larson@mentor.com>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>

bitbake/lib/bb/__init__.py

@@ -84,6 +84,5 @@ def fatal(*args):
 
 # For compatibility
 from bb.fetch import MalformedUrl, encodeurl, decodeurl
-from bb.data import VarExpandError
 from bb.utils import mkdirhier, movefile, copyfile, which
 from bb.utils import vercmp_string as vercmp

bitbake/lib/bb/data.py

@@ -47,9 +47,6 @@ sys.path.insert(0, path)
 from bb import data_smart
 import bb
 
-class VarExpandError(Exception):
-    pass
-
 _dict_type = data_smart.DataSmart
 
 def init():