Remove leftover feature check code in the Nginx configure script.
Remove leftover feature check code in the Nginx configure script.

kewaunited/passenger,gravitystorm/passenger,pkmiec/passenger,pkmiec/passenger,cgvarela/passenger,antek-drzewiecki/passenger,jawj/passenger,erikogan/passenger,gravitystorm/passenger,jawj/passenger,gravitystorm/passenger,kewaunited/passenger,cgvarela/passenger,fabiokung/passenger-debian,jawj/passenger,pkmiec/passenger,pkmiec/passenger,antek-drzewiecki/passenger,cgvarela/passenger,pkmiec/passenger,pkmiec/passenger,jawj/passenger,fabiokung/passenger-debian,phusion/passenger,cgvarela/passenger,erikogan/passenger,fabiokung/passenger-debian,jawj/passenger,antek-drzewiecki/passenger,erikogan/passenger,openSUSE/passenger,phusion/passenger,phusion/passenger,phusion/passenger,clemensg/passenger,kewaunited/passenger,clemensg/passenger,fabiokung/passenger-debian,cgvarela/passenger,openSUSE/passenger,bf4/passenger,phusion/passenger,antek-drzewiecki/passenger,kewaunited/passenger,jawj/passenger,openSUSE/passenger,antek-drzewiecki/passenger,jawj/passenger,bf4/passenger,pkmiec/passenger,openSUSE/passenger,bf4/passenger,openSUSE/passenger,kewaunited/passenger,cgvarela/passenger,gravitystorm/passenger,openSUSE/passenger,bf4/passenger,antek-drzewiecki/passenger,cgvarela/passenger,erikogan/passenger,kewaunited/passenger,clemensg/passenger,antek-drzewiecki/passenger,fabiokung/passenger-debian,kewaunited/passenger,erikogan/passenger,erikogan/passenger,phusion/passenger,cgvarela/passenger,gravitystorm/passenger,clemensg/passenger,gravitystorm/passenger,clemensg/passenger,bf4/passenger,fabiokung/passenger-debian,bf4/passenger,kewaunited/passenger,clemensg/passenger,bf4/passenger,phusion/passenger,clemensg/passenger,clemensg/passenger,phusion/passenger,antek-drzewiecki/passenger