Revert "MASSIVE restructuring"

This reverts commit b94da2d550.

systems/homeros/config.nix

@@ -1,13 +0,0 @@
-{ config, pkgs, ... }:
-{
-  imports =
-    [ ../regular.nix
-    ];
-
-  boot.loader.systemd-boot.enable = true;
-  boot.loader.efi.canTouchEfiVariables = true;
-
-  networking.hostName = "homeros";
-
-  system.stateVersion = "19.03";
-}

systems/homeros/physical.nix

@@ -1,32 +0,0 @@
-# Do not modify this file!  It was generated by ‘nixos-generate-config’
-# and may be overwritten by future invocations.  Please make changes
-# to /etc/nixos/configuration.nix instead.
-{ config, lib, pkgs, ... }:
-
-{
-  imports =
-    [ <nixpkgs/nixos/modules/installer/scan/not-detected.nix>
-      ./config.nix
-    ];
-
-  boot.initrd.availableKernelModules = [ "xhci_pci" "ehci_pci" "ahci" "usbhid" "usb_storage" "sd_mod" "sr_mod" "rtsx_usb_sdmmc" ];
-  boot.kernelModules = [ "kvm-intel" ];
-  boot.extraModulePackages = [ ];
-
-  fileSystems."/" =
-    { device = "/dev/disk/by-uuid/83544ad3-1d23-4c2d-82bc-fafef13a996f";
-      fsType = "ext4";
-    };
-
-  fileSystems."/boot" =
-    { device = "/dev/disk/by-uuid/8F9E-7556";
-      fsType = "vfat";
-    };
-
-  swapDevices =
-    [ { device = "/dev/disk/by-uuid/5ea3a65e-8fdb-45fb-ad32-3759d991a83a"; }
-    ];
-
-  nix.maxJobs = lib.mkDefault 4;
-  powerManagement.cpuFreqGovernor = lib.mkDefault "powersave";
-}

systems/regular.nix

@@ -1,82 +0,0 @@
-{ config, lib, pkgs, ... }:
-let
-  executables = pkgs.haskell.lib.justStaticExecutables;
-  unstable = import <nixos-unstable> {};
-  todoist = pkgs.callPackage ../packages/todoist {};
-  daybook = pkgs.callPackage ../packages/daybook.nix {};
-  iolanguage = pkgs.callPackage ../packages/iolanguage.nix {};
-in {
-  imports = [
-    ../configs/base
-    ../configs/docker.nix
-    ../configs/google-drive.nix
-    ../configs/graphical.nix
-    ../configs/haskell.nix
-    ../configs/hu-berlin.nix
-    ../configs/retiolum.nix
-    ../configs/wifi.nix
-  ];
-
-  users.users.kfm.packages = with pkgs; [
-  ] ++ [ # typesetting
-    (texlive.combine {
-      inherit (pkgs.texlive) scheme-full texdoc latex2e-help-texinfo;
-      pkgFilter = pkg: pkg.tlType == "run" || pkg.tlType == "bin" || pkg.pname == "latex2e-help-texinfo";
-    })
-    pandoc
-    (executables haskellPackages.pandoc-citeproc)
-    (executables haskellPackages.hakyll)
-    asciidoctor
-  ] ++ [ # programming
-    tokei
-    gnumake
-    cabal2nix
-    chicken
-    clojure
-    gcc
-    htmlTidy
-    iolanguage
-    lua
-    mypy
-    nix-prefetch-git
-    nodejs
-    nodePackages.eslint
-    nodePackages.csslint
-    nodePackages.prettier
-    ocaml
-    python3
-    python36Packages.black
-    python36Packages.flake8
-    ruby
-    rustup
-    scala
-    shellcheck
-  ] ++ [ # media
-    audacity
-    calibre
-    inkscape
-    poppler_utils
-    spotify
-    youtubeDL
-  ] ++ [ # cloud
-    dropbox-cli
-    grive2
-    seafile-client
-  ] ++ [ # math
-    bc
-    graphviz
-    maxima
-  ] ++ [ # shell
-    # todoist
-    aspell
-    aspellDicts.de
-    aspellDicts.en
-    aspellDicts.la
-    daybook
-    memo
-    qrencode
-    unstable.hledger
-    wordnet
-    xsv
-  ];
-}

systems/slim.nix

@@ -1,6 +0,0 @@
-{ config, lib, pkgs, ... }:
-{
-  imports = [
-    ../configs/base
-  ];
-}