refactor🎨: 清理 sys_server_monitor.go 文件，移除未使用的导入并格式化代码

Author: wenjianzhang

Diff for: app/other/apis/sys_server_monitor.go

@@ -11,7 +11,6 @@ import (
 	"github.com/gin-gonic/gin"
 	"github.com/go-admin-team/go-admin-core/sdk/api"
 	"github.com/go-admin-team/go-admin-core/sdk/pkg"
-	_ "github.com/go-admin-team/go-admin-core/sdk/pkg/response"
 	"github.com/shirou/gopsutil/v3/cpu"
 	"github.com/shirou/gopsutil/v3/disk"
 	"github.com/shirou/gopsutil/v3/host"