chore: remove configuration from models, prefer env vars

Signed-off-by: Thaddeus Kuah <[email protected]>

src/models.ts

@@ -23,14 +23,8 @@ const userSchema = new mongoose.Schema({
     connections: connectionsSchema,
 });
 
-const config = new mongoose.Schema({
-    key: { type: String, required: true },
-    value: { type: String, required: true },
-});
-
 const Link = mongoose.model('Link', linkSchema);
 const User = mongoose.model('User', userSchema);
-const Config = mongoose.model('Config', config);
 
-export { Config, Link, User };
+export { Link, User };