Remove htop

Additionally, tweak restic a bit and add more comments there

hosts/nixos/common/global/cli/htop.nix

@@ -1,6 +0,0 @@
-{
-  programs.htop = {
-    enable = true;
-    settings.tree_view = true;
-  };
-}

hosts/nixos/common/global/default.nix

@@ -16,7 +16,6 @@ let
     # }}}
     # {{{ global configuration
     ./cli/fish.nix
-    ./cli/htop.nix
     ./services/openssh.nix
     ./nix.nix
     ./locale.nix

hosts/nixos/common/optional/services/restic/default.nix

@@ -19,12 +19,11 @@ let
       extraOptions = [ "sftp.args='-i ${config.users.users.pilot.home}/.ssh/id_ed25519'" ];
 
       exclude = [
-        # Syncthing / direnv / git / snapper stuff
-        ".direnv"
-        ".git"
-        ".stfolder"
-        ".stversions"
-        ".snapshots"
+        ".direnv" # Direnv
+        ".git" # Git
+        ".stfolder" # Syncthing
+        ".stversions" # Syncthing
+        ".snapshots" # Snapper
       ] ++ exclude;
     };
 in
@@ -47,6 +46,9 @@ in
       exclude = [
         # Projects are available on github and in my own forge already
         "/persist/data${config.users.users.pilot.home}/projects"
+
+        # Screenshots are usually worthless
+        "/persist/data${config.users.users.pilot.home}/media/pictures/screenshots"
       ];
     };
     # }}}