fix: remove model check

Author: j178

config.go

@@ -159,11 +159,5 @@ func InitConfig() (GlobalConfig, error) {
 	if conf.APIKey == "" {
 		return GlobalConfig{}, errors.New("Missing API key. Set it in `~/.config/chatgpt/config.json` or by setting the `OPENAI_API_KEY` environment variable. You can find or create your API key at https://platform.openai.com/account/api-keys.")
 	}
-	// TODO: support non-chat models
-	switch conf.Conversation.Model {
-	case openai.GPT3Dot5Turbo0301, openai.GPT3Dot5Turbo, openai.GPT4, openai.GPT40314, openai.GPT432K0314, openai.GPT432K:
-	default:
-		return GlobalConfig{}, errors.New("Invalid model, please choose one of the following: gpt-3.5-turbo-0301, gpt-3.5-turbo, gpt-4, gpt-4-0314, gpt-4-32k-0314, gpt-4-32k")
-	}
 	return conf, nil
 }