move where cleaning up cached handshakes happens
move where cleaning up cached handshakes happens

ukscone/telehash-c,telehash/telehash-c,telehash/telehash-c,telehash/telehash-c,telehash/telehash-c,ukscone/telehash-c,ukscone/telehash-c,ukscone/telehash-c