Config cleanup

config_example.json

@@ -1,7 +1,6 @@
 {
     "locale": "en",
     "locale_log": "en",
-    "locale_fallback": "en",
     "bot": {
         "owner": 0,
         "admins": [],
@@ -37,11 +36,7 @@
     "locations": {
         "tmp": "tmp",
         "data": "data",
-        "cache": "cache",
-        "sent": "data/sent",
-        "queue": "data/queue",
-        "index": "data/index.json",
-        "locale": "locale"
+        "cache": "cache"
     },
     "disabled_plugins": [],
     "posting": {