message: docs(modelOptions): remove "[UNTESTED]" from tested options
diff: @@ -21,12 +21,10 @@ class Something {}
  ### existingConnection
  An existing Mongoose connection can also be passed down. If given, Typegoose uses this Mongoose instance's `model` methods.
  -[UNTESTED]
  ### existingMongoose
  An existing Mongoose instance can also be passed down. If given, Typegoose uses this Mongoose instance's `model` methods.
  -[UNTESTED]
  ### options
  