Unpin rake version in the chef-config gemspec
Unpin rake version in the chef-config gemspec

We end up with different versions in chef and chef-confg. That's kind of silly.

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

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