remove the need to setup .env and ask for porkbun credential name directly

internal/config/config.go

@@ -1,33 +0,0 @@
-package config
-
-import (
-	"fmt"
-	"os"
-
-	"github.com/joho/godotenv"
-)
-
-type Config struct {
-	PorkbunApiKeyName       string
-	PorkbunSecretApiKeyName string
-}
-
-func Load() *Config {
-	godotenv.Load()
-
-	cfg := &Config{
-		PorkbunApiKeyName:       envRequired("PORKBUN_API_KEY_NAME"),
-		PorkbunSecretApiKeyName: envRequired("PORKBUN_SECRET_API_KEY_NAME"),
-	}
-
-	return cfg
-}
-
-func envRequired(key string) string {
-	value, ok := os.LookupEnv(key)
-	if !ok || value == "" {
-		fmt.Printf("Error: required environment variable %s not set.\n", key)
-		os.Exit(1)
-	}
-	return value
-}