python3Packages.adblock: use meta instead of passthru.meta

pkgs/development/python-modules/adblock/default.nix

@@ -53,11 +53,10 @@ rustPlatform.buildRustPackage rec {
     runHook postInstall
   '';
 
-  passthru.meta = with lib; {
+  meta = with lib; {
     description = "Python wrapper for Brave's adblocking library, which is written in Rust";
     homepage = "https://github.com/ArniDagur/python-adblock/";
     maintainers = with maintainers; [ petabyteboy ];
     license = with licenses; [ asl20 mit ];
-    platforms = with platforms; [ all ];
   };
 }