Made getUnfeaturedVersions using the middleware
Made getUnfeaturedVersions using the middleware

Commit ddc819ceab4114719c209e5891b28054ffb9a96d, "Making use
of the middleware for providing version data" did not affected
getUnfeaturedVersions method. Is may cause misconfiguration errors, and
code duplication.

AdrianGaudebert/socorro,twobraids/socorro,adngdb/socorro,m8ttyB/socorro,luser/socorro,yglazko/socorro,Tayamarn/socorro,KaiRo-at/socorro,linearregression/socorro,yglazko/socorro,AdrianGaudebert/socorro,lonnen/socorro,luser/socorro,rhelmer/socorro,luser/socorro,twobraids/socorro,mozilla/socorro,bsmedberg/socorro,AdrianGaudebert/socorro,spthaolt/socorro,AdrianGaudebert/socorro,KaiRo-at/socorro,yglazko/socorro,KaiRo-at/socorro,m8ttyB/socorro,adngdb/socorro,Serg09/socorro,spthaolt/socorro,Serg09/socorro,mozilla/socorro,lonnen/socorro,spthaolt/socorro,pcabido/socorro,bsmedberg/socorro,luser/socorro,Tchanders/socorro,cliqz/socorro,lonnen/socorro,Tchanders/socorro,pcabido/socorro,KaiRo-at/socorro,linearregression/socorro,pcabido/socorro,Tayamarn/socorro,spthaolt/socorro,cliqz/socorro,KaiRo-at/socorro,mozilla/socorro,bsmedberg/socorro,linearregression/socorro,rhelmer/socorro,mozilla/socorro,luser/socorro,Tchanders/socorro,twobraids/socorro,cliqz/socorro,KaiRo-at/socorro,cliqz/socorro,linearregression/socorro,Tchanders/socorro,mozilla/socorro,adngdb/socorro,yglazko/socorro,adngdb/socorro,linearregression/socorro,spthaolt/socorro,luser/socorro,adngdb/socorro,m8ttyB/socorro,Tayamarn/socorro,Serg09/socorro,twobraids/socorro,yglazko/socorro,yglazko/socorro,twobraids/socorro,Tayamarn/socorro,mozilla/socorro,Serg09/socorro,rhelmer/socorro,AdrianGaudebert/socorro,m8ttyB/socorro,AdrianGaudebert/socorro,Tchanders/socorro,cliqz/socorro,lonnen/socorro,Serg09/socorro,rhelmer/socorro,pcabido/socorro,m8ttyB/socorro,linearregression/socorro,Tayamarn/socorro,Tayamarn/socorro,pcabido/socorro,bsmedberg/socorro,m8ttyB/socorro,rhelmer/socorro,bsmedberg/socorro,Serg09/socorro,pcabido/socorro,Tchanders/socorro,twobraids/socorro,adngdb/socorro,spthaolt/socorro,rhelmer/socorro,cliqz/socorro