Revert "feature: 布局支持_lgap"

This reverts commit 6cce574f7e.

src/core/wrapper/layout/sticky/sticky.horizontal.js

@@ -5,8 +5,7 @@ BI.HorizontalStickyLayout = BI.inherit(BI.FlexHorizontalLayout, {
     props: function () {
         return BI.extend(BI.HorizontalStickyLayout.superclass.props.apply(this, arguments), {
             extraCls: "bi-h-sticky",
-            scrollx: true,
-            // horizontalAlign: BI.HorizontalAlign.Stretch,
+            horizontalAlign: BI.HorizontalAlign.Stretch,
             verticalAlign: BI.VerticalAlign.Stretch
         });
     },

src/core/wrapper/layout/sticky/sticky.vertical.js

@@ -5,9 +5,8 @@ BI.VerticalStickyLayout = BI.inherit(BI.FlexVerticalLayout, {
     props: function () {
         return BI.extend(BI.VerticalStickyLayout.superclass.props.apply(this, arguments), {
             extraCls: "bi-v-sticky",
-            scrolly: true,
             horizontalAlign: BI.HorizontalAlign.Stretch,
-            // verticalAlign: BI.VerticalAlign.Stretch
+            verticalAlign: BI.VerticalAlign.Stretch
         });
     },