fix receiver leak

service/src/main/java/com/github/kr328/clash/service/ClashCore.kt

@@ -6,6 +6,7 @@ import android.content.Context
 import android.content.Intent
 import android.content.IntentFilter
 import android.os.PowerManager
+import androidx.core.content.contentValuesOf
 import androidx.core.content.getSystemService
 import com.github.kr328.clash.core.Clash
 import com.github.kr328.clash.core.utils.Log
@@ -102,6 +103,8 @@ class ClashCore(private val service: Service): CoroutineScope by MainScope() {
     fun destroy() {
         cancel()
 
+        service.unregisterReceiver(receivers)
+
         reloadChannel.close()
 
         notification.destroy()