Remove unused about method

trytond/web_service/common.py

@@ -11,7 +11,6 @@ class Common(Service):
     def __init__(self, name="common"):
         Service.__init__(self, name)
         Service.join_group(self, "web-service")
-        Service.export_method(self, self.about)
         Service.export_method(self, self.login)
         Service.export_method(self, self.version)
         Service.export_method(self, self.timezone_get)
@@ -25,14 +24,6 @@ class Common(Service):
         Cache.resets(database)
         return res or False
 
-    def about(self):
-        return '''
-Tryton %s
-
-The whole source code is distributed under the terms of the
-GNU Public Licence v2.
-''' % (VERSION,)
-
     def version(self):
         '''
         Return the server version