Remove redundant check

Author: armano2

lib/rules/no-async-in-computed-properties.js

@@ -50,8 +50,6 @@ function isPromise (node) {
       node.callee.object.type === 'Identifier' &&
       node.callee.object.name === 'Promise' &&
       PROMISE_METHODS.indexOf(node.callee.property.name) !== -1
-    ) || ( // somePromise.ANYTHING()
-      node.callee.object && isPromise(node.callee.object)
     )
   }
   return false

tests/lib/rules/no-async-in-computed-properties.js

@@ -262,6 +262,25 @@ ruleTester.run('no-async-in-computed-properties', rule, {
         line: 6
       }]
     },
+    {
+      filename: 'test.vue',
+      code: `
+      new Vue({
+        computed: {
+          foo: {
+            get () {
+              return test.blabla.then([])
+            }
+          }
+        }
+      })
+      `,
+      parserOptions: { ecmaVersion: 6 },
+      errors: [{
+        message: 'Unexpected asynchronous action in "foo" computed property.',
+        line: 6
+      }]
+    },
     {
       filename: 'test.vue',
       code: `