treewide/php-packages: Drop pkgs from arguments to packages

pkgs/development/php-packages/phpmd/default.nix

@@ -1,4 +1,4 @@
-{ mkDerivation, fetchurl, pkgs, lib, php }:
+{ mkDerivation, fetchurl, makeWrapper, lib, php }:
 let
   pname = "phpmd";
   version = "2.8.2";
@@ -8,13 +8,13 @@ in
 mkDerivation {
   inherit pname version;
 
-  src = pkgs.fetchurl {
+  src = fetchurl {
     url = "https://github.com/phpmd/phpmd/releases/download/${version}/phpmd.phar";
     sha256 = "1i8qgzxniw5d8zjpypalm384y7qfczapfq70xmg129laq6xiqlqb";
   };
 
   phases = [ "installPhase" ];
-  nativeBuildInputs = [ pkgs.makeWrapper ];
+  nativeBuildInputs = [ makeWrapper ];
 
   installPhase = ''
     mkdir -p $out/bin
@@ -23,7 +23,7 @@ mkDerivation {
       --add-flags "$out/libexec/phpmd/phpmd.phar"
   '';
 
-  meta = with pkgs.lib; {
+  meta = with lib; {
     description = "PHP code quality analyzer";
     license = licenses.bsd3;
     homepage = "https://phpmd.org/";