fix: 删除冗余代码

src/views/graph/shape.ts

@@ -12,20 +12,6 @@ export const FlowChartRect = Graph.registerNode('flow-chart-rect', {
       strokeWidth: 1,
       fill: '#ffffff'
     },
-    fo: {
-      refWidth: '100%',
-      refHeight: '100%'
-    },
-    foBody: {
-      xmlns: Dom.ns.xhtml,
-      style: {
-        width: '100%',
-        height: '100%',
-        display: 'flex',
-        justifyContent: 'center',
-        alignItems: 'center'
-      }
-    },
     text: {
       fontSize: 12,
       fill: '#080808'