<?xml version="1.0" encoding="utf-8" ?>
<NickContents>
<Nick id="test" password="test1" />
<Nick id="test2" password="test1" />
<Nick id="nKm4T5c1UQKyfyVPscL99w==" password="nKm4T5c1UQKyfyVPscL99w==" />
<Nick id="zrtcPuJwJLYtQYzyLqYXYA==" password="i+n+EXfFKHAMsCafvn1uiQ==" />
<Nick id="Utn83sH6g1/8IO7GeE9NSA==" password="pnloAHE/nagl2kw23L+BsA==" />
</NickContents>
how to delete where id = test?