Remove hostkey and hostkeyalgo from HostBean
Remove hostkey and hostkeyalgo from HostBean

These are never touched directly via HostBean, so remove them from the
HostBean. This fixes #199, but a change in sshlib around KnownHosts
might be a bit better.

lotan/connectbot,ipmobiletech/connectbot,Potass/ConnectBot,nixomose/connectbot,rhansby/connectbot,khorimoto/connectbot,nixomose/connectbot,alescdb/connectbot,jklein24/connectbot,kruton/connectbot,trygveaa/connectbot,connectbot/connectbot,iiordanov/BSSH,connectbot/connectbot,kruton/connectbot,lotan/connectbot,khorimoto/connectbot,khorimoto/connectbot,redshodan/connectbot,alescdb/connectbot,trygveaa/connectbot,redshodan/connectbot,iiordanov/BSSH,connectbot/connectbot,nixomose/connectbot,ipmobiletech/connectbot,kruton/connectbot,alescdb/connectbot,ipmobiletech/connectbot,rhansby/connectbot,Potass/ConnectBot,trygveaa/connectbot,Potass/ConnectBot,ipmobiletech/connectbot,lotan/connectbot,jklein24/connectbot,redshodan/connectbot,jklein24/connectbot,iiordanov/BSSH,rhansby/connectbot