Remove unused

js/id/behavior/add_way.js

@@ -10,7 +10,6 @@ iD.behavior.AddWay = function(context) {
             .on('finish', addWay.cancel);
 
         context.map()
-            .fastEnable(false)
             .minzoom(16)
             .dblclickEnable(false);
 
@@ -19,7 +18,6 @@ iD.behavior.AddWay = function(context) {
 
     addWay.off = function(surface) {
         context.map()
-            .fastEnable(true)
             .minzoom(0)
             .tail(false);
 

js/id/behavior/draw_way.js

@@ -65,7 +65,6 @@ iD.behavior.DrawWay = function(context, wayId, index, mode, baseGraph) {
             .on('finish', drawWay.finish);
 
         context.map()
-            .fastEnable(false)
             .minzoom(16)
             .dblclickEnable(false);
 
@@ -83,7 +82,6 @@ iD.behavior.DrawWay = function(context, wayId, index, mode, baseGraph) {
             context.pop();
 
         context.map()
-            .fastEnable(true)
             .minzoom(0)
             .tail(false);
 

js/id/renderer/map.js

@@ -9,7 +9,6 @@ iD.Map = function(context) {
             .scaleExtent([1024, 256 * Math.pow(2, 24)])
             .on('zoom', zoomPan),
         dblclickEnabled = true,
-        fastEnabled = true,
         transformStart,
         minzoom = 0,
         background = iD.Background()
@@ -216,12 +215,6 @@ iD.Map = function(context) {
         return map;
     };
 
-    map.fastEnable = function(_) {
-        if (!arguments.length) return fastEnabled;
-        fastEnabled = _;
-        return map;
-    };
-
     function setZoom(z, force) {
         if (z === map.zoom() && !force)
             return false;