Move the Editor configuration out of Manifest's constructor

This way we can build more than one Manifest instance in memory
and not muck around with the Editor configuration each time we
build a new instance.

Signed-off-by: Shawn O. Pearce <sop@google.com>

manifest.py

@@ -17,7 +17,6 @@ import os
 import sys
 import xml.dom.minidom
 
-from editor import Editor
 from git_config import GitConfig, IsId
 from import_tar import ImportTar
 from import_zip import ImportZip
@@ -42,9 +41,7 @@ class Manifest(object):
     self.repodir = os.path.abspath(repodir)
     self.topdir = os.path.dirname(self.repodir)
     self.manifestFile = os.path.join(self.repodir, MANIFEST_FILE_NAME)
-
     self.globalConfig = GitConfig.ForUser()
-    Editor.globalConfig = self.globalConfig
 
     self.repoProject = MetaProject(self, 'repo',
       gitdir   = os.path.join(repodir, 'repo/.git'),