Move fonts to the system level

hosts/common.nix

@@ -44,6 +44,18 @@
 
     environment.systemPackages = [pkgs.git];
 
+    fonts.packages = [
+        pkgs.corefonts
+        pkgs.roboto
+        pkgs.open-sans
+        (pkgs.nerdfonts.override {
+            fonts = [
+                "JetBrainsMono"
+                "NerdFontsSymbolsOnly"
+            ];
+        })
+    ];
+
     nixpkgs.config.allowUnfreePredicate = pkg:
         builtins.elem (pkgs.lib.getName pkg) [
             "steam"

users/seb/home.nix

@@ -45,17 +45,5 @@
         pkgs.hunspellDicts.de_DE
         pkgs.hunspellDicts.en_US
         pkgs.marktext
-
-        (pkgs.nerdfonts.override {
-            fonts = [
-                "JetBrainsMono"
-                "NerdFontsSymbolsOnly"
     ];
-        })
-        pkgs.corefonts
-        pkgs.roboto
-        pkgs.open-sans
-    ];
-
-    fonts.fontconfig.enable = true;
 }