buildEnv: remove redundant pname-version-name assertion

Delegate such a check to stdenv.mkDerivation.

pkgs/build-support/buildenv/default.nix

@@ -121,10 +121,6 @@ lib.makeOverridable (
           (lib.remove null)
         ];
       in
-      assert
-        args ? name
-        || (args ? pname && args ? version)
-        || throw "buildEnv: expects arguments 'pname' and 'version', or 'name'";
       compatArgs
       // derivationArgs
       // {

pkgs/test/buildenv.nix

@@ -34,8 +34,6 @@ let
         }).name;
       expected = "test-env-1.0";
     };
-
-    testMissingNameThrows = testingThrow (buildEnv { paths = [ ]; }).drvPath;
   };
 
   tests-passthru-paths = {