style:store

 const state = {
-    visitedViews: [],
-    cachedViews: ['leaseDetails']
+    visitedViews: []
 }
 
 const mutations = {
@@ -54,7 +53,6 @@ const actions = {
     delView ({ dispatch, state }, view) {
         return new Promise(resolve => {
             dispatch('delVisitedView', view)
-            dispatch('delCachedView', view)
             resolve({
                 visitedViews: [...state.visitedViews],
             })