lol

nixos/release-small.nix: cleanup to use default versions

It makes more sense to test the packages, that probably more people are
using.

+2 -3
+2 -3
nixos/release-small.nix
··· 62 imagemagick 63 jdk 64 linux 65 - mysql55 66 nginx 67 nodejs 68 openssh 69 php 70 - postgresql92 71 - postgresql93 72 python 73 rsyslog 74 stdenv
··· 62 imagemagick 63 jdk 64 linux 65 + mysql 66 nginx 67 nodejs 68 openssh 69 php 70 + postgresql 71 python 72 rsyslog 73 stdenv