No Kofi annan doesnt, (even if he did he doesn't define what the UN says only the General Assembly can do that)  
 "Kofi Annan, at the time United Nations Secretary-General, has said that it is "time to set aside debates on so-called 'state terrorism'. The use of force by states is already thoroughly regulated under international law" you really should stop making things up, do i need to post the full text yet again?