Remove broken stuff

Signed-off-by: magic_rb <richard@brezak.sk>

flake.nix

@@ -77,7 +77,6 @@
         nixng/containers/email/getmail
         nixng/containers/email/dovecot.nix
         nixng/containers/email/postfix
-        nixng/containers/ds3os
         nixng/containers/gitea
         nixng/containers/hydra
         nixng/containers/syncthing
@@ -92,7 +91,6 @@
         overlays/tree-sitter-grammars.nix
         overlays/emacs-master-nativecomp
         overlays/zfs-relmount
-        overlays/ical2org.nix
         overlays/mautrix-discord.nix
         overlays/getmail6
         overlays/maildrop
@@ -196,13 +194,12 @@
                   maildrop
                   zfs-relmount
                   bootloadHID
-                  ds3os
-                  ical2org
                   terraform-provider-influxdb-v2
                   terrafrom-provider-vault
                   tree-sitter-grammars
                   udp-over-tcp
                   itp
+                  ds3os
                   matlab;
               };