visidata: remove unnecessary patching

hosts/common/programs/visidata.nix

@@ -1,13 +1,6 @@
-{ pkgs, ... }:
+{ ... }:
 {
   sane.programs.visidata = {
-    packageUnwrapped = (pkgs.visidata.override {
-      zulip = null;  #< XXX(2024-08-17): security vulnerability, but completely useless anyway so disable. see: <https://github.com/NixOS/nixpkgs/pull/334638>
-    }).overridePythonAttrs (upstream: {
-      # XXX(2024/07/07): tests fail due to python 3.12 string formatting differences (inconsequential)
-      doCheck = false;
-    });
-
     sandbox.autodetectCliPaths = true;
   };
 }