Remove deprecated knife ssh csshx command
Remove deprecated knife ssh csshx command

This was replaced with knife ssh cssh

Signed-off-by: Tim Smith <764ef62106582a09ed09dfa0b6bff7c05fd7d1e4@chef.io>

gene1wood/chef,nathwill/chef,mwrock/chef,mwrock/chef,mattray/chef,juliandunn/chef,juliandunn/chef,jonlives/chef,higanworks/chef,martinisoft/chef,Tensibai/chef,martinisoft/chef,higanworks/chef,juliandunn/chef,juliandunn/chef,tomdoherty/chef,jonlives/chef,jonlives/chef,martinisoft/chef,jonlives/chef,tas50/chef-1,chef/chef,nvwls/chef,Ppjet6/chef,MsysTechnologiesllc/chef,tas50/chef-1,MsysTechnologiesllc/chef,Ppjet6/chef,MsysTechnologiesllc/chef,jonlives/chef,tomdoherty/chef,Ppjet6/chef,jonlives/chef,MsysTechnologiesllc/chef,Tensibai/chef,nvwls/chef,higanworks/chef,higanworks/chef,nathwill/chef,nathwill/chef,nathwill/chef,martinisoft/chef,Tensibai/chef,mattray/chef,tas50/chef-1,jaymzh/chef,tomdoherty/chef,jaymzh/chef,mattray/chef,tomdoherty/chef,jaymzh/chef,mwrock/chef,nvwls/chef,Ppjet6/chef,chef/chef,martinisoft/chef,mattray/chef,Ppjet6/chef,chef/chef,tas50/chef-1,Tensibai/chef,nathwill/chef,nvwls/chef,jaymzh/chef,nathwill/chef,Ppjet6/chef,gene1wood/chef,gene1wood/chef,nvwls/chef,Tensibai/chef,nvwls/chef,tomdoherty/chef,juliandunn/chef,higanworks/chef,gene1wood/chef,mwrock/chef,mattray/chef,chef/chef