Remove the deprecated "giturl" option

From openstackdocstheme 1.18.0, valid Git URLs can be retrieved by
openstackdocstheme[1], we do not need giturl option anymore.

[1] https://review.openstack.org/532163

Change-Id: Idf8da7ec59d166dc45b7ef2d813d4be91fd302fb

deploy-guide/source/conf.py

@@ -69,17 +69,14 @@
 release = '0.1'
 
 # A few variables have to be set for the log-a-bug feature.
-#   giturl: The location of conf.py on Git. Must be set manually.
 #   gitsha: The SHA checksum of the bug description. Automatically extracted
 #           from git log.
 #   bug_tag: Tag for categorizing the bug. Must be set manually.
 # These variables are passed to the logabug code via html_context.
-giturl = u'https://git.openstack.org/cgit/openstack/kolla-ansible/tree/deploy-guide/source'  # noqa
 git_cmd = "/usr/bin/git log | head -n1 | cut -f2 -d' '"
 gitsha = os.popen(git_cmd).read().strip('\n')
 html_context = {"gitsha": gitsha, "bug_tag": bug_tag,
-                "giturl": giturl,
-                "bug_project": "Kolla"}
+                "bug_project": "kolla-ansible"}
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.