[emacs] Update nerd-fonts usage

This was changed in a new version of nix

home/modules/emacs/default.nix

@@ -16,7 +16,8 @@ in {
       pkgs.fontconfig
       pkgs.graphviz
       pkgs.isort
-      pkgs.nerdfonts
+      pkgs.nerd-fonts.fira-code
+      pkgs.nerd-fonts.droid-sans-mono
       pkgs.nil # nix lsp language server
       pkgs.nixfmt-rfc-style
       (pkgs.ripgrep.override {withPCRE2 = true;})

home/modules/emacs/doom/config.el

@@ -28,6 +28,7 @@
 ;; up, `M-x eval-region' to execute elisp code, and 'M-x doom/reload-font' to
 ;; refresh your font settings. If Emacs still can't find your font, it likely
 ;; wasn't installed correctly. Font issues are rarely Doom issues!
+(setq doom-font (font-spec :family "Fira Code"))
 
 ;; There are two ways to load a theme. Both assume the theme is installed and
 ;; available. You can either set `doom-theme' or manually load a theme with the