remove horizontal/vertical support

src/Layout.js

@@ -30,11 +30,6 @@ function computeLayout(node) {
       return node.style[key];
     }
 
-    key = type + capitalizeFirst(axis[location]);
-    if (key in node.style) {
-      return node.style[key];
-    }
-
     if (type in node.style) {
       return node.style[type];
     }
@@ -100,12 +95,6 @@ function computeLayout(node) {
     return -getPosition(node, trailing[axis]);
   }
 
-  var axis = {
-    left: 'horizontal',
-    right: 'horizontal',
-    top: 'vertical',
-    bottom: 'vertical'
-  };
   var leading = {
     row: 'left',
     column: 'top'

src/__tests__/Layout-test.js

@@ -622,11 +622,12 @@ describe('Layout', function() {
       randMinMax(node, 0.1, 'bottom', -10, 10);
       randSpacing(node, 0.1, 'margin', 0, 20);
       randSpacing(node, 0.1, 'padding', 0, 20);
-      randEnum(node, 0.1, 'flexDirection', ['row', 'column']);
+      randEnum(node, 0.1, 'flexDirection', ['column', 'row']);
       randEnum(node, 0.1, 'justifyContent', ['flex-start', 'center', 'flex-end', 'space-between', 'space-around']);
       randEnum(node, 0.1, 'alignItems', ['flex-start', 'center', 'flex-end', 'stretch']);
       randEnum(node, 0.1, 'alignSelf', ['flex-start', 'center', 'flex-end', 'stretch']);
       randEnum(node, 0.1, 'flex', ['none', 1]);
+//      randEnum(node, 0.1, 'position', ['relative', 'absolute']);
       randChildren(node, 0.2);
       return node;
     }