remove redundant mainfest.in file

Change-Id: I600cafd6aa500e61df4eda3bf5a4e67e826633dd
Implements: blueprint vitrage-cli

MANIFEST.in

@@ -1,6 +0,0 @@
-include AUTHORS
-include ChangeLog
-exclude .gitignore
-exclude .gitreview
-
-global-exclude *.pyc

vitrageclient/shell.py

@@ -24,7 +24,6 @@ import warnings
 
 from cliff import app
 from cliff import commandmanager
-from keystoneauth1 import exceptions
 from keystoneauth1 import loading
 
 import client
@@ -127,15 +126,6 @@ class VitrageShell(app.App):
 
         return self._client
 
-    def clean_up(self, cmd, result, err):
-        if err and isinstance(err, exceptions.HttpError):
-            try:
-                error = err.response.json()
-            except Exception:
-                pass
-            else:
-                print(error['description'])
-
     def configure_logging(self):
         if self.options.debug:
             self._set_debug_logging_messages()