containers: Remove obsidian

After using Logseq for a few months, using Obsidian for just a little
bit is quite repulsive. Taking notes that aren't in outliner form feels
alien and not worth it for me personally.

containers/default.nix

@@ -3,7 +3,6 @@
     ./dev.nix
     ./gui.nix
     ./iamb.nix
-    ./obsidian.nix
     ./rar.nix
     ./srb2.nix
     ./wine.nix

containers/obsidian.nix

@@ -1,42 +0,0 @@
-{ home-manager, stylix, lib, ... }:
-
-{
-  containers.obsidian = {
-    privateNetwork = true;
-    ephemeral = true;
-
-    bindMounts = {
-      "/mnt" = {
-        hostPath = "/home/user/containers/obsidian";
-        isReadOnly = false;
-      };
-
-      waylandDisplay = rec {
-        hostPath = "/run/user/1000";
-        mountPoint = hostPath;
-      };
-
-      x11Display = rec {
-        hostPath = "/tmp/.X11-unix";
-        mountPoint = hostPath;
-        isReadOnly = true;
-      };
-    };
-
-    config = { pkgs, ... }: {
-      imports = [
-        home-manager.nixosModules.home-manager
-        stylix.nixosModules.stylix
-        ../setup.nix
-      ];
-
-      environment.systemPackages = with pkgs; [
-        obsidian
-      ];
-
-      nixpkgs.config.allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg) [
-        "obsidian"
-      ];
-    };
-  };
-}