- remove line_shape_defaults.js , moe the code into scattergl/defaults.js

Author: ErwanMAS

src/traces/scattergl/defaults.js

@@ -17,7 +17,6 @@ var subTypes = require('../scatter/subtypes');
 var handleXYDefaults = require('../scatter/xy_defaults');
 var handleMarkerDefaults = require('../scatter/marker_defaults');
 var handleLineDefaults = require('../scatter/line_defaults');
-var handleLineShapeDefaults = require('./line_shape_defaults');
 var handleFillColorDefaults = require('../scatter/fillcolor_defaults');
 var handleTextDefaults = require('../scatter/text_defaults');
 
@@ -43,7 +42,7 @@ module.exports = function supplyDefaults(traceIn, traceOut, defaultColor, layout
     if(subTypes.hasLines(traceOut)) {
         coerce('connectgaps');
         handleLineDefaults(traceIn, traceOut, defaultColor, layout, coerce);
-        handleLineShapeDefaults(traceIn, traceOut, coerce);
+	coerce('line.shape')
     }
 
     if(subTypes.hasMarkers(traceOut)) {