refactor: 拆分多租户

src/main/java/com/youlai/boot/security/service/SysUserDetailsService.java

@@ -1,6 +1,5 @@
 package com.youlai.boot.security.service;
 
-import com.youlai.boot.common.tenant.TenantContextHolder;
 import com.youlai.boot.security.model.SysUserDetails;
 import com.youlai.boot.security.model.UserAuthCredentials;
 import com.youlai.boot.system.service.UserService;
@@ -38,8 +37,6 @@ public class SysUserDetailsService implements UserDetailsService {
             if (userAuthCredentials == null) {
                 throw new UsernameNotFoundException(username);
             }
-            // 将当前上下文中的租户ID写入认证凭证，便于后续 Token 携带租户信息
-            userAuthCredentials.setTenantId(TenantContextHolder.getTenantId());
             return new SysUserDetails(userAuthCredentials);
         } catch (Exception e) {
             // 记录异常日志