tweak(emacs): font size and weight

Also fixed issues with icons being cut off. Apparently that's
because of using semi-bold instead of normal weight.

modules/nixos/programs/emacs/init.el

@@ -138,7 +138,7 @@
   :config
   (remember-last-theme-enable))
 
-(set-frame-font "Iosevka Nerd Font:pixelsize=15:weight=normal" nil t)
+(set-frame-font "Iosevka Nerd Font:pixelsize=18:weight=normal" nil t)
 
 (use-package ligature
   :config
@@ -335,9 +335,6 @@
 
   (dirvish-media-auto-cache-threshold '(500 . 8))
 
-  (dired-listing-switches
-        "-l --almost-all --human-readable --group-directories-first --no-group")
-
   (dired-mouse-drag-files t)
   (mouse-drag-and-drop-region-cross-program t)
 
@@ -383,13 +380,6 @@
   (setq dired-omit-files
         (concat dired-omit-files "\\|^\\..*$")))
 
-(use-package diredfl
-  :hook
-  (dired-mode . diredfl-mode)
-  (dirvish-directory-view-mode . diredfl-mode)
-  :config
-  (set-face-attribute 'diredfl-dir-name nil :bold t))
-
 (use-package dired
   :ensure nil
   :hook (dired-mode . dired-omit-mode))