treewide: name -> pname (easy cases) (#66585)

treewide replacement of

stdenv.mkDerivation rec {
  name = "*-${version}";
  version = "*";

to pname

pkgs/games/voxelands/default.nix

@@ -2,11 +2,11 @@
 , libjpeg, libXxf86vm, libGLU_combined, openal, libvorbis, xlibsWrapper, pkgconfig }:
 
 stdenv.mkDerivation rec {
-  name = "voxelands-${version}";
+  pname = "voxelands";
   version = "1512.00";
 
   src = fetchurl {
-    url = "http://voxelands.com/downloads/${name}-src.tar.bz2";
+    url = "http://voxelands.com/downloads/${pname}-${version}-src.tar.bz2";
     sha256 = "0bims0y0nyviv2f2nxfj37s3258cjbfp9xd97najz0yylnk3qdfw";
   };