Remove most uses of fractional scaling

Only keep scaling for work 4K monitor.

Increase font sizes across the board for better usability.

system/Northstar.nix

@@ -4,7 +4,6 @@
   home-manager.users.${username} = {
     home.packages = [ pkgs.prusa-slicer ];
     wayland.windowManager.sway.config = {
-      output."eDP-1".scale = "1.25";
       workspaceOutputAssign = [
         {
           output = "eDP-1";
@@ -21,7 +20,6 @@
             outputs = [
               {
                 criteria = "eDP-1";
-                scale = 1.25;
                 position = "0,0";
               }
             ];