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

treewide replacement of

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

to pname

pkgs/misc/emulators/mednafen/default.nix

@@ -2,11 +2,11 @@
 , libsamplerate, libsndfile, libX11, SDL, SDL_net, zlib }:
 
 stdenv.mkDerivation rec {
-  name = "mednafen-${version}";
+  pname = "mednafen";
   version = "0.9.48";
 
   src = fetchurl {
-    url = "https://mednafen.github.io/releases/files/${name}.tar.xz";
+    url = "https://mednafen.github.io/releases/files/${pname}-${version}.tar.xz";
     sha256 = "00i12mywhp43274aq466fwavglk5b7d8z8bfdna12ra9iy1hrk6k";
   };
 

pkgs/misc/emulators/mednafen/server.nix

@@ -1,7 +1,7 @@
 { stdenv, fetchurl }:
 
 stdenv.mkDerivation rec {
-  name = "mednafen-server-${version}";
+  pname = "mednafen-server";
   version = "0.5.2";
 
   src = fetchurl {