flake: No need for unstable packages

hosts/challenger/configuration.nix

@@ -40,7 +40,7 @@
   environment.variables = { EDITOR = "vim"; };
   environment.systemPackages = with pkgs; [
     zfs
-    unstable.ncdu
+    ncdu
   ];
 
   virtualisation.docker.enable = true;

hosts/felixalbpc/home.nix

@@ -26,12 +26,12 @@ in {
     openssl
     pwgen
     rofi-rbw-x11
-    unstable.tlclient
+    tlclient
     traceroute
     virt-manager
     w3m
 
-    (unstable.python311.withPackages (ps: with ps; [
+    (python311.withPackages (ps: with ps; [
       numpy
       pycryptodome
       requests
@@ -47,7 +47,7 @@ in {
   programs = {
     aerc = {
       enable = true;
-      package = pkgs.unstable.aerc;
+      package = pkgs.aerc;
     };
     alacritty.enable = true;
     firefox.enable = true;

hosts/sisko/home.nix

@@ -21,12 +21,12 @@
     nixpkgs-2211.remmina
     openssl
     pwgen
-    unstable.tlclient
+    tlclient
     traceroute
     virt-manager
     w3m
 
-    (unstable.python311.withPackages (ps: with ps; [
+    (python311.withPackages (ps: with ps; [
       numpy
       pycryptodome
       requests
@@ -36,7 +36,7 @@
   programs = {
     aerc = {
       enable = true;
-      package = pkgs.unstable.aerc;
+      package = pkgs.aerc;
     };
     alacritty.enable = true;
     firefox.enable = true;

hosts/worf/home.nix

@@ -25,8 +25,8 @@
     nodejs
     spotify
     tldr
-    unstable.aerc
+    aerc
-    unstable.snicat
+    snicat
     w3m
     zellij