highway=motorway_link does not imply oneway, fixes #1662

References:
- http://wiki.openstreetmap.org/wiki/Tag:highway%3Dmotorway_link#Tagging_oneway
- http://wiki.openstreetmap.org/wiki/Tag:highway%3Dmotorway_link
- http://wiki.openstreetmap.org/wiki/Tag:highway%3Dmotorway

profiles/bicycle.lua

@@ -318,7 +318,7 @@ function way_function (way, result)
 
   -- direction
   local impliedOneway = false
-  if junction == "roundabout" or highway == "mini_roundabout" or highway == "motorway_link" or highway == "motorway" then
+  if junction == "roundabout" or highway == "mini_roundabout" or highway == "motorway" then
     impliedOneway = true
   end
 

profiles/car.lua

@@ -396,7 +396,6 @@ function way_function (way, result)
     oneway == "true" or
     junction == "roundabout" or
     highway == "mini_roundabout" or
-    (highway == "motorway_link" and oneway ~="no") or
     (highway == "motorway" and oneway ~= "no") then
       result.backward_mode = mode.inaccessible