chore(nix): move buildManPages to //users/sterni

It's only used in my user directory and I don't feel it's generally
useful. There's so little to interpolate you may as well just check them
in.

Change-Id: I31dc9917c2b281c7d68388e1a32c8ef5179621df
Reviewed-on: https://cl.tvl.fyi/c/depot/+/12873
Autosubmit: sterni <sternenseemann@systemli.org>
Reviewed-by: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI

nix/buildManPages/OWNERS

@@ -1 +0,0 @@
-sterni

nix/buildManPages/default.nix

@@ -1,103 +0,0 @@
-{ depot, pkgs, lib, ... }:
-
-let
-  inherit (pkgs)
-    gzip
-    mandoc
-    coreutils
-    ;
-
-  inherit (depot.nix)
-    runExecline
-    getBins
-    ;
-
-  bins = getBins mandoc [ "mandoc" ]
-    // getBins gzip [ "gzip" ]
-    // getBins coreutils [ "mkdir" "ln" "cp" ]
-  ;
-
-  defaultGzip = true;
-
-  basename = gzip: { name, section, ... }:
-    "${name}.${toString section}${lib.optionalString gzip ".gz"}";
-
-  manDir = { section, ... }:
-    "\${out}/share/man/man${toString section}";
-
-  target = gzip: args:
-    "${manDir args}/${basename gzip args}";
-
-  buildManPage =
-    { requireLint ? false
-    , gzip ? defaultGzip
-    , ...
-    }:
-    { content
-    , ...
-    }@page:
-    let
-      source = builtins.toFile (basename false page) content;
-    in
-    runExecline (basename gzip page) { } ([
-      (if requireLint then "if" else "foreground")
-      [
-        bins.mandoc
-        "-mdoc"
-        "-T"
-        "lint"
-        source
-      ]
-      "importas"
-      "out"
-      "out"
-    ] ++ (if gzip then [
-      "redirfd"
-      "-w"
-      "1"
-      "$out"
-      bins.gzip
-      "-c"
-      source
-    ] else [
-      bins.cp
-      "--reflink=auto"
-      source
-      "$out"
-    ]));
-
-  buildManPages =
-    name:
-    { derivationArgs ? { }
-    , gzip ? defaultGzip
-    , ...
-    }@args:
-    pages:
-    runExecline "${name}-man-pages"
-      {
-        inherit derivationArgs;
-      }
-      ([
-        "importas"
-        "out"
-        "out"
-      ] ++ lib.concatMap
-        ({ name, section, content }@page: [
-          "if"
-          [ bins.mkdir "-p" (manDir page) ]
-          "if"
-          [
-            bins.ln
-            "-s"
-            (buildManPage args page)
-            (target gzip page)
-          ]
-        ])
-        pages);
-
-in
-{
-  __functor = _: buildManPages;
-
-  single = buildManPage;
-}