[FIX] base: override default int converter from werkzeug

This reverts commit c01c10c4.

openerp/addons/base/ir/ir_http.py

@@ -54,26 +54,12 @@ class ModelsConverter(werkzeug.routing.BaseConverter):
     def to_url(self, value):
         return ",".join(i.id for i in value)
 
-class SignedIntConverter(werkzeug.routing.BaseConverter):
-    def __init__(self, url_map):
-        super(SignedIntConverter, self).__init__(url_map)
-
-    def to_python(self, value):
-        try:
-            return int(value)
-        except ValueError:
-            raise werkzeug.routing.ValidationError()
-
-    def to_url(self, value):
-        return value
-
-
 class ir_http(osv.AbstractModel):
     _name = 'ir.http'
     _description = "HTTP routing"
 
     def _get_converters(self):
-        return {'model': ModelConverter, 'models': ModelsConverter, 'int': SignedIntConverter}
+        return {'model': ModelConverter, 'models': ModelsConverter}
 
     def _find_handler(self, return_rule=False):
         return self.routing_map().bind_to_environ(request.httprequest.environ).match(return_rule=return_rule)