fix(system/sms): 修复短信配置加载错误，移除 SmsSupplierEnum

Closes #IC4D7F

continew-webapi/src/main/java/top/continew/admin/controller/common/CaptchaController.java

@@ -203,16 +203,12 @@ public class CaptchaController {
         String captcha = RandomUtil.randomNumbers(captchaSms.getLength());
         // 发送验证码
         Long expirationInMinutes = captchaSms.getExpirationInMinutes();
-
         SmsBlend smsBlend = SmsFactory.getBySupplier(captchaSms.getSupplier());
-
         Map<String, String> messageMap = MapUtil.newHashMap(2, true);
         messageMap.put(captchaSms.getCodeKey(), captcha);
         messageMap.put(captchaSms.getTimeKey(), String.valueOf(expirationInMinutes));
-
         SmsResponse smsResponse = smsBlend.sendMessage(phone, captchaSms
             .getTemplateId(), (LinkedHashMap<String, String>)messageMap);
-
         CheckUtils.throwIf(!smsResponse.isSuccess(), "验证码发送失败");
         // 保存验证码
         String captchaKey = CacheConstants.CAPTCHA_KEY_PREFIX + phone;