Remove libz and libgcc_s from the whitelist
Remove libz and libgcc_s from the whitelist

We build and package thes already, so having it in the whitelist defeats the
purpose. It may be causing issues here as well:

  https://gist.github.com/bdha/42f34f95664ed31f3387

sh9189/omnibus,intfrr/omnibus,pskrz/omnibus,ashhher3/omnibus,strangelittlemonkey/omnibus,ashhher3/omnibus,pskrz/omnibus,rapid7/omnibus,intfrr/omnibus,jamesn/omnibus,servebox/omnibus,servebox/omnibus,DataDog/omnibus-ruby,lvfeng1130/omnibus,DataDog/omnibus-ruby,lvfeng1130/omnibus,szechyjs/omnibus,ashhher3/omnibus,higanworks/omnibus,Altiscale/omnibus,3ofcoins/chef-omnibus,Altiscale/omnibus,adamleff/omnibus,Scalr/omnibus,Scalr/omnibus,strangelittlemonkey/omnibus,jamesn/omnibus,intfrr/omnibus,chef/omnibus,rhass/omnibus,pskrz/omnibus,rapid7/omnibus,hugosato/omnibus,sh9189/omnibus,mattray/omnibus,mattray/omnibus,mattray/omnibus,adamleff/omnibus,chef/omnibus,rapid7/omnibus,hugosato/omnibus,servebox/omnibus,3ofcoins/chef-omnibus,strangelittlemonkey/omnibus,hugosato/omnibus,DataDog/omnibus-ruby,sh9189/omnibus,Altiscale/omnibus,jamesn/omnibus,chef/omnibus,lvfeng1130/omnibus,rhass/omnibus,rhass/omnibus,Scalr/omnibus,szechyjs/omnibus,szechyjs/omnibus,higanworks/omnibus,higanworks/omnibus,adamleff/omnibus,3ofcoins/chef-omnibus