removed github domain and url from schema.go for unit tests

pkg/database/schema/schema.go

@@ -118,8 +118,6 @@ CREATE TABLE settings (
    id               INTEGER PRIMARY KEY
   ,github_key       VARCHAR(255)
   ,github_secret    VARCHAR(255)
-  ,github_domain	VARCHAR(255)
-  ,github_apiurl	VARCHAR(255)
   ,bitbucket_key    VARCHAR(255)
   ,bitbucket_secret VARCHAR(255)
   ,smtp_server      VARCHAR(1024)