fix(flake): Remove duplicate home-manager imports from wixos and zix790prors

The nixosModules list already includes inputs.home-manager.nixosModules.home-manager,
so these individual configuration imports were redundant.

flake.nix

@@ -162,7 +162,6 @@
       modules = nixosModules ++ [
         nixos-wsl.nixosModules.default
         ./machines/wixos/configuration.nix
-        inputs.home-manager.nixosModules.home-manager
         {
           home-manager.users.johno = import ./home/home-desktop.nix;
           home-manager.extraSpecialArgs = { inherit system; };
@@ -174,7 +173,6 @@
       system = "x86_64-linux";
       modules = nixosModules ++ [
         ./machines/zix790prors/configuration.nix
-        inputs.home-manager.nixosModules.home-manager
         {
           home-manager.users.johno = import ./home/home-desktop.nix;
           home-manager.extraSpecialArgs = { inherit system; };

home/roles/emacs/doom/config.el

@@ -225,16 +225,11 @@
         mu4e-headers-time-format "%H:%M")
 
   ;; Sending mail via msmtp
-  ;; NOTE: message-sendmail-f-is-evil and --read-envelope-from are required
-  ;; to prevent msmtp from stripping the email body when processing headers.
-  ;; Without these, multipart messages (especially from org-msg) may arrive
-  ;; with empty bodies.
-  (setq sendmail-program (executable-find "msmtp")
-        send-mail-function #'message-send-mail-with-sendmail
-        message-send-mail-function #'message-send-mail-with-sendmail
-        message-sendmail-f-is-evil t
-        message-sendmail-extra-arguments '("--read-envelope-from")
-        message-sendmail-envelope-from 'header))
+  (setq message-send-mail-function 'message-send-mail-with-sendmail
+        sendmail-program (executable-find "msmtp")
+        message-sendmail-envelope-from 'header
+        mail-envelope-from 'header
+        mail-specify-envelope-from t))
 
 ;; Whenever you reconfigure a package, make sure to wrap your config in an
 ;; `after!' block, otherwise Doom's defaults may override your settings. E.g.