treewide: remove redundant rec

pkgs/data/misc/brise/default.nix

@@ -1,6 +1,6 @@
 { stdenv, fetchFromGitHub, librime }:
 
-stdenv.mkDerivation rec {
+stdenv.mkDerivation {
   name = "brise-unstable-2017-09-16";
 
   src = fetchFromGitHub {

pkgs/data/misc/cacert/default.nix

@@ -15,7 +15,7 @@ let
 
 in
 
-stdenv.mkDerivation rec {
+stdenv.mkDerivation {
   name = "nss-cacert-${nss.version}";
 
   src = nss.src;

pkgs/data/misc/geolite-legacy/default.nix

@@ -6,7 +6,7 @@ let
     url = "https://geolite.maxmind.com/download/geoip/database/${src}";
   };
 in
-stdenv.mkDerivation rec {
+stdenv.mkDerivation {
   pname = "geolite-legacy";
   version = "2017-12-02";
 

pkgs/data/misc/nixos-artwork/default.nix

@@ -1,5 +1,5 @@
 { callPackage }:
 
-rec {
+{
   wallpapers = callPackage ./wallpapers.nix { };
 }

pkgs/data/misc/pari-galdata/default.nix

@@ -2,7 +2,7 @@
 , fetchurl
 }:
 
-stdenv.mkDerivation rec {
+stdenv.mkDerivation {
   version = "20080411";
   pname = "pari-galdata";
 

pkgs/data/misc/pari-seadata-small/default.nix

@@ -2,7 +2,7 @@
 , fetchurl
 }:
 
-stdenv.mkDerivation rec {
+stdenv.mkDerivation {
   version = "20090618";
   pname = "pari-seadata-small";
 

pkgs/data/misc/publicsuffix-list/default.nix

@@ -3,7 +3,7 @@
 let
   pname = "publicsuffix-list";
   version = "2019-05-24";
-in fetchFromGitHub rec {
+in fetchFromGitHub {
   name = "${pname}-${version}";
   owner = "publicsuffix";
   repo = "list";

pkgs/data/misc/shared-mime-info/default.nix

@@ -2,7 +2,7 @@
 , libxml2, glib}:
 
 let version = "1.12"; in
-stdenv.mkDerivation rec {
+stdenv.mkDerivation {
   pname = "shared-mime-info";
   inherit version;