Remove emacs, add dbeaver

roles/subroles/dev.nix

@@ -1,10 +1,5 @@
 { config, pkgs, ... }:
 {
-  # emacs overlay
-  nixpkgs.overlays = [
-    (import (builtins.fetchTarball https://github.com/nix-community/emacs-overlay/archive/master.tar.gz))
-  ];
-
   environment.systemPackages = with pkgs; [
     neovim
     vim
@@ -33,7 +28,7 @@
 
     idea.idea-community
 
-    emacsUnstable # Installs Emacs 27
+    dbeaver
   ];
 
   services.lorri.enable = true;