Remove unused code pointed by Xcode

src/Layout.js

@@ -584,19 +584,6 @@ var computeLayout = (function() {
         }
       }
 
-      var/*float*/ containerMainAxis = node.layout[dim[mainAxis]];
-      // If the user didn't specify a width or height, and it has not been set
-      // by the container, then we set it via the children.
-      if (isUndefined(containerMainAxis)) {
-        containerMainAxis = fmaxf(
-          // We're missing the last padding at this point to get the final
-          // dimension
-          boundAxis(node, mainAxis, mainDim + getPaddingAndBorder(node, trailing[mainAxis])),
-          // We can never assign a width smaller than the padding and borders
-          getPaddingAndBorderAxis(node, mainAxis)
-        );
-      }
-
       var/*float*/ containerCrossAxis = node.layout[dim[crossAxis]];
       if (isUndefined(node.layout[dim[crossAxis]])) {
         containerCrossAxis = fmaxf(