Revert "polybar: tentative to use Material Icons"

This reverts commit 4e152f0466. Not
worth it currently.

bin/i3-companion

@@ -30,7 +30,6 @@ def icon(font_number, char):
     # Font number is from Polybar configuration.
     # 2: https://fontawesome.com/v6.0/icons?s=solid
     # 3: https://fontawesome.com/v6.0/icons?s=brands
-    # 4: https://fonts.google.com/icons?selected=Material+Icons:home
     return "%%{T%d}%s%%{T-}" % (font_number, char)
 
 
@@ -63,8 +62,8 @@ icons = {
     "wifi-medium": icon(2, ""),
     "wifi-high": icon(2, ""),
     "wired": icon(2, ""),
-    "notifications-enabled": icon(4, "\ue7f4"),
-    "notifications-disabled": icon(4, "\ue7f8"),
+    "notifications-enabled": icon(2, ""),
+    "notifications-disabled": icon(2, "🔕"),
 }
 application_icons_nomatch = icon(2, "")
 application_icons_alone = {application_icons[k] for k in {"vbeterm"}}

dotfiles/polybar.conf

@@ -28,7 +28,6 @@ foreground = ${colors.foreground}
 font-0 = Iosevka:style=Regular:size=10;2
 font-1 = Font Awesome 6 Pro:style=Solid:size=10;2
 font-2 = Font Awesome 6 Brands:style=Regular:size=10;2
-font-3 = Material Icons:style=Regular:size=12;4
 
 modules-left = i3
 modules-center = date