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

treewide replacement of

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

to pname

pkgs/tools/misc/logstash/5.x.nix

@@ -2,10 +2,10 @@
 
 stdenv.mkDerivation rec {
   version = elk5Version;
-  name = "logstash-${version}";
+  pname = "logstash";
 
   src = fetchurl {
-    url = "https://artifacts.elastic.co/downloads/logstash/${name}.tar.gz";
+    url = "https://artifacts.elastic.co/downloads/logstash/${pname}-${version}.tar.gz";
     sha256 = "0sax9p2bwjdrcvkm1mgvljdjn2qkyjd5i8rzajdn3n98gqin1la0";
   };
 

pkgs/tools/misc/logstash/contrib.nix

@@ -4,7 +4,7 @@
 #   $path/logstash/{inputs,codecs,filters,outputs}/*.rb 
 stdenv.mkDerivation rec {
   version = "1.4.2";
-  name = "logstash-contrib-${version}";
+  pname = "logstash-contrib";
 
   src = fetchzip {
    url = "https://download.elasticsearch.org/logstash/logstash/logstash-contrib-${version}.tar.gz";