[WIP] Get visitors of plural sites 2

Author: sogaoh

app.json

@@ -11,17 +11,9 @@
       "value": "-----BEGIN RSA PRIVATE KEY-----\nxxxx\n-----END RSA PRIVATE KEY-----"
     },
     "SITE_AND_VIEW_ID_JSON": {
-      "description": "Website name (Google Analytics embedded) & Google Analytics View ID.",
+      "description": "Website names (Google Analytics embedded) & Google Analytics View IDs.",
       "value": "[{\"hoge-blog\":12345678},{\"fuga-blog\":23456789}]"
     },
-    "PROFILE_ID": {
-      "description": "Google Analytics Profile ID.",
-      "value": "12345678"
-    },
-    "WEBSITE_NAME": {
-      "description": "Website name Google Analytics embedded.",
-      "value": "hoge-blog"
-    },
     "MACKEREL_API_KEY": {
       "description": "Your organization's api-key of mackerel.io.",
       "value": ""