[feat] fonts: use home-manger default fonts

This removes the need for my stylix fork (for me).

home/gui/default.nix

@@ -16,10 +16,14 @@
     then pkgs.sway
     else null;
   cfg = jhome.gui;
-  cursor.package = pkgs.nordzy-cursor-theme;
-  cursor.name = "Nordzy-cursors";
-  iconTheme.name = "Papirus-Dark";
-  iconTheme.package = pkgs.papirus-icon-theme;
+  cursor = {
+    package = pkgs.nordzy-cursor-theme;
+    name = "Nordzy-cursors";
+  };
+  iconTheme = {
+    name = "Papirus-Dark";
+    package = pkgs.papirus-icon-theme;
+  };
 in {
   config = lib.mkIf (jhome.enable && cfg.enable) {
     home.packages = with pkgs;
@@ -32,10 +36,18 @@ in {
         wl-clipboard
         # Extra fonts
         noto-fonts-cjk # Chinese, Japanese and Korean characters
+        (pkgs.nerdfonts.override {fonts = ["NerdFontsSymbolsOnly"];})
       ]
       ++ lib.optional flatpakEnabled flatpak;
-
-    fonts.fontconfig.enable = true;
+    fonts.fontconfig = {
+      enable = true;
+      defaultFonts = {
+        emoji = ["Noto Color Emoji"];
+        monospace = ["JetBrains Mono" "Symbols Nerd Font"];
+        serif = ["Noto Serif" "Symbols Nerd Font"];
+        sansSerif = ["Noto Sans" "Symbols Nerd Font"];
+      };
+    };
     # Browser
     programs = {
       firefox.enable = true;

system/stylix-config.nix

@@ -3,38 +3,24 @@
   pkgs,
 }: let
   cfg = config.jconfig.styling;
-  nerdFontSymbols = pkgs.nerdfonts.override {fonts = ["NerdFontsSymbolsOnly"];};
-  fallbackSymbols = {
-    name = "Symbols Nerd Font";
-    package = nerdFontSymbols;
-  };
 in {
   autoEnable = cfg.enable;
   image = cfg.wallpaper;
   base16Scheme = "${pkgs.base16-schemes}/share/themes/gruvbox-dark-hard.yaml";
   polarity = "dark";
   fonts = {
-    monospace = [
-      {
-        name = "JetBrains Mono";
-        package = pkgs.jetbrains-mono;
-      }
-      fallbackSymbols
-    ];
-    sansSerif = [
-      {
-        name = "Noto Sans";
-        package = pkgs.noto-fonts;
-      }
-      fallbackSymbols
-    ];
-    serif = [
-      {
-        name = "Noto Serif";
-        package = pkgs.noto-fonts;
-      }
-      fallbackSymbols
-    ];
+    monospace = {
+      name = "JetBrains Mono";
+      package = pkgs.jetbrains-mono;
+    };
+    sansSerif = {
+      name = "Noto Sans";
+      package = pkgs.noto-fonts;
+    };
+    serif = {
+      name = "Noto Serif";
+      package = pkgs.noto-fonts;
+    };
     emoji = {
       package = pkgs.noto-fonts-emoji;
       name = "Noto Color Emoji";