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

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

@@ -1,4 +1,4 @@
-{ mkDerivation, fetchurl, pkgs, lib, php }:
+{ mkDerivation, fetchurl, makeWrapper, lib, php }:
 let
   pname = "phpstan";
   version = "0.12.78";
@@ -6,13 +6,13 @@ in
 mkDerivation {
   inherit pname version;
 
-  src = pkgs.fetchurl {
+  src = fetchurl {
     url = "https://github.com/phpstan/phpstan/releases/download/${version}/phpstan.phar";
     sha256 = "sha256-YPCh6HAVuFf2rJhUj/uzfqkWKN+Jd2iPfugSiTh65zc=";
   };
 
   phases = [ "installPhase" ];
-  nativeBuildInputs = [ pkgs.makeWrapper ];
+  nativeBuildInputs = [ makeWrapper ];
 
   installPhase = ''
     mkdir -p $out/bin
@@ -21,7 +21,7 @@ mkDerivation {
       --add-flags "$out/libexec/phpstan/phpstan.phar"
   '';
 
-  meta = with pkgs.lib; {
+  meta = with lib; {
     description = "PHP Static Analysis Tool";
     longDescription = ''
       PHPStan focuses on finding errors in your code without actually