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

treewide replacement of

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

to pname

pkgs/servers/identd/nullidentdmod/default.nix

@@ -1,5 +1,5 @@
 { stdenv, fetchFromGitHub, ... }: stdenv.mkDerivation rec {
-  name = "nullidentdmod-${version}";
+  pname = "nullidentdmod";
   version = "1.3";
 
   src = fetchFromGitHub {

pkgs/servers/identd/oidentd/default.nix

@@ -1,12 +1,12 @@
 { stdenv, fetchurl, bison, flex }:
 
 stdenv.mkDerivation rec {
-  name = "oidentd-${version}";
+  pname = "oidentd";
   version = "2.3.2";
   nativeBuildInputs = [ bison flex ];
 
   src = fetchurl {
-    url = "https://files.janikrabe.com/pub/oidentd/releases/${version}/${name}.tar.gz";
+    url = "https://files.janikrabe.com/pub/oidentd/releases/${version}/${pname}-${version}.tar.gz";
     sha256 = "10c5jkhirkvm1s4v3zdj4micfi6rkfjj32q4k7wjwh1fnzrwyb5n";
   };