which: 2.21 -> 2.23

Dropped LARGEFILE support override as it was upstreamed as:
    https://git.savannah.gnu.org/cgit/which.git/commit/?id=ff99c8a2aa84237e4546078a2b62a7b2798cd53b

Changes:
- https://git.savannah.gnu.org/cgit/which.git/tree/NEWS?id=a5f8db60de0f5af76b8ef358ce1a5e55b8556e4e
- https://git.savannah.gnu.org/cgit/which.git/diff/NEWS?id=3e2c8f8acc3a333b66b06de234bc9324c6fe5500

pkgs/by-name/wh/which/package.nix

@@ -6,23 +6,16 @@
 
 stdenv.mkDerivation rec {
   pname = "which";
-  version = "2.21";
+  version = "2.23";
 
   src = fetchurl {
     url = "mirror://gnu/which/which-${version}.tar.gz";
-    hash = "sha256-9KJFuUEks3fYtJZGv0IfkVXTaqdhS26/g3BdP/x26q0=";
+    hash = "sha256-osVYIm/E2eTOMxvS/Tw/F/lVEV0sAORHYYpO+ZeKKnM=";
   };
 
   strictDeps = true;
   enableParallelBuilding = true;
 
-  env.NIX_CFLAGS_COMPILE = toString (
-    # Enable 64-bit file API. Otherwise `which` fails to find tools
-    # on filesystems with 64-bit inodes (like `btrfs`) when running
-    # binaries from 32-bit systems (like `i686-linux`).
-    lib.optional stdenv.hostPlatform.is32bit "-D_FILE_OFFSET_BITS=64"
-  );
-
   meta = {
     homepage = "https://www.gnu.org/software/which/";
     description = "Shows the full path of (shell) commands";