pkgsStatic.valgrind: mark unsupported

This being marked broken predated it being possible to mark packages
as being unsupported when built statically.  It's more accurate to say
that static valgrind is unsupported than broken.

pkgs/development/tools/analysis/valgrind/default.nix

@@ -131,6 +131,7 @@ stdenv.mkDerivation rec {
     platforms = with lib.platforms; lib.intersectLists
       (x86 ++ power ++ s390x ++ armv7 ++ aarch64 ++ mips)
       (darwin ++ freebsd ++ illumos ++ linux);
-    broken = stdenv.isDarwin || stdenv.hostPlatform.isStatic; # https://hydra.nixos.org/build/128521440/nixlog/2
+    badPlatforms = [ lib.systems.inspect.platformPatterns.isStatic ];
+    broken = stdenv.isDarwin; # https://hydra.nixos.org/build/128521440/nixlog/2
   };
 }