fix(config): cleanup config.example.json (#3105)

Fixes #3103

package.json

@@ -230,6 +230,10 @@
     "*.ts": [
       "eslint --fix",
       "git add"
+    ],
+    "*.json": [
+      "jsonlint",
+      "git add"
     ]
   },
   "browser": {

src/bot/data/config.example.json

@@ -11,20 +11,6 @@
     "bot_color": "OrangeRed"
   },
   "panel": {
-    "__COMMENT__": "set correctly your domain and to be safe, change your token",
     "port": 20000
-  },
-  "database": {
-    "__README__": "https://github.com/sogehige/sogeBot/wiki/Database-configuration",
-    "type": "nedb",
-    "mongodb": {
-      "poolSize": 5,
-      "url": "mongodb://localhost:27017/your-db-name"
-    }
-  },
-  "debug": {
-    "__COMMENT__": "DON'T ENABLE THIS UNTIL YOU KNOW WHAT YOU ARE DOING!",
-    "all": false,
-    "console": false
   }
 }