fix: remove unused goroutine for guardian

internal/controllers/guardian.go

@@ -2,9 +2,8 @@ package controllers
 
 import (
 	"github.com/Mmx233/BitSrunLoginGo/internal/config"
-	"time"
-
 	"github.com/Mmx233/BitSrunLoginGo/tools"
+	"time"
 )
 
 // Guardian 守护模式逻辑
@@ -15,9 +14,7 @@ func Guardian() {
 
 	GuardianDuration := time.Duration(config.Settings.Guardian.Duration) * time.Second
 
-	var c = make(chan bool)
 	for {
-		go func() {
 		if config.Settings.Basic.Interfaces == "" { //单网卡
 			err := Login(nil, true)
 			if err != nil {
@@ -35,10 +32,6 @@ func Guardian() {
 				}
 			}
 		}
-
-			c <- false
-		}()
-		<-c
 		time.Sleep(GuardianDuration)
 	}
 }