[jhbuild] packagedb: remove unused parameter

[Ryan Lortie <desrt src gnome org>]

commit a83b728e658b0b3ba67a15387d9b7ff4f4bc2e39
Author: Ryan Lortie <desrt desrt ca>
Date:   Sat Jan 3 23:17:11 2015 -0500

    packagedb: remove unused parameter
    
    https://bugzilla.gnome.org/show_bug.cgi?id=742298

 jhbuild/utils/packagedb.py |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/jhbuild/utils/packagedb.py b/jhbuild/utils/packagedb.py
index 483f7e6..b698e33 100644
--- a/jhbuild/utils/packagedb.py
+++ b/jhbuild/utils/packagedb.py
@@ -101,7 +101,7 @@ class PackageEntry:
     def remove(self):
         fileutils.ensure_unlinked(os.path.join(self.manifests_dir, self.package))
 
-    def to_xml(self, doc):
+    def to_xml(self):
         entry_node = ET.Element('entry', {'package': self.package,
                                           'version': self.version})
         if 'installed-date' in self.metadata:
@@ -167,7 +167,7 @@ class PackageDB:
         pkgdb_node = ET.Element('packagedb')
         doc = ET.ElementTree(pkgdb_node)
         for package,entry in self._entries.iteritems():
-            node = entry.to_xml(doc)
+            node = entry.to_xml()
             pkgdb_node.append(node)
 
         writer = fileutils.SafeWriter(self.dbfile)