Move input configuration for x11 into the DE config

modules/system/de.nix

@@ -12,9 +12,27 @@
 
             windowManager.qtile.enable = true;
             desktopManager.wallpaper.mode = "fill";
-        };
 
-        myConfig.x-input.enable = true;
+                xkb = {
+                    layout = "de";
+                    variant = "nodeadkeys";
+                };
+
+                libinput = {
+                    enable = true;
+
+                    touchpad = {
+                        accelProfile = "adaptive";
+                        naturalScrolling = true;
+                        disableWhileTyping = true;
+                    };
+
+                    mouse = {
+                        accelProfile = "flat";
+                        middleEmulation = false;
+                    };
+                };
+            };
 
         xdg.portal = {
             enable = true;