draco: move to pkgs/by-name

this shouldn't create any rebuilds

pkgs/by-name/dr/draco/package.nix

@@ -1,5 +1,6 @@
 {
   lib,
+  callPackage,
   stdenv,
   fetchFromGitHub,
   nix-update-script,
@@ -10,11 +11,11 @@
   withTranscoder ? true,
   eigen,
   ghc_filesystem,
-  tinygltf,
 }:
 
 let
   cmakeBool = b: if b then "ON" else "OFF";
+  tinygltf = callPackage ./tinygltf.nix { };
 in
 stdenv.mkDerivation (finalAttrs: {
   version = "1.5.7";

pkgs/top-level/all-packages.nix

@@ -6682,10 +6682,6 @@ with pkgs;
   db60 = callPackage ../development/libraries/db/db-6.0.nix { };
   db62 = callPackage ../development/libraries/db/db-6.2.nix { };
 
-  draco = callPackage ../development/libraries/draco {
-    tinygltf = callPackage ../development/libraries/draco/tinygltf.nix { };
-  };
-
   # Multi-arch "drivers" which we want to build for i686.
   driversi686Linux = recurseIntoAttrs {
     inherit (pkgsi686Linux)