Remove unnecessary return statements

Author: n-riesco

src/components/shapes/index.js

@@ -146,28 +146,24 @@ shapes.draw = function(gd, index, opt, value) {
     }
 
     updateShape(gd, index, opt, value);
-    return;
 };
 
 function replaceAllShapes(gd, newShapes) {
     gd.layout.shapes = newShapes;
     shapes.supplyLayoutDefaults(gd.layout, gd._fullLayout);
     shapes.drawAll(gd);
-    return;
 }
 
 function deleteAllShapes(gd) {
     delete gd.layout.shapes;
     gd._fullLayout.shapes = [];
     shapes.drawAll(gd);
-    return;
 }
 
 function updateAllShapes(gd, opt, value) {
     for(var i = 0; i < gd._fullLayout.shapes.length; i++) {
         shapes.draw(gd, i, opt, value);
     }
-    return;
 }
 
 function deleteShape(gd, index) {
@@ -186,8 +182,6 @@ function deleteShape(gd, index) {
             .attr('data-index', String(i));
         shapes.draw(gd, i);
     }
-
-    return;
 }
 
 function insertShape(gd, index, newShape) {
@@ -209,8 +203,6 @@ function insertShape(gd, index, newShape) {
             .attr('data-index', String(i));
         shapes.draw(gd, i);
     }
-
-    return;
 }
 
 function updateShape(gd, index, opt, value) {
@@ -311,8 +303,6 @@ function updateShape(gd, index, opt, value) {
         path.call(Plotly.Drawing.setClipUrl,
             'clip' + gd._fullLayout._uid + clipAxes);
     }
-
-    return;
 }
 
 function decodeDate(convertToPx) {