i3-companion: partially revert layout indicator

Ideally, it should be per output, but then it is a bit complicated to
know which polybar is on which output. While this seems a cool hack to
have, I don't think that's really useful. Keeping some of
the (unrelated) changes.

dotfiles/polybar.conf

@@ -30,7 +30,7 @@ font-0 = Iosevka Aile: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
 
-modules-left = i3 i3layout
+modules-left = i3
 modules-center = date
 
 [bar/alone]
@@ -67,12 +67,6 @@ label-urgent = %name%
 label-urgent-background = #a00000
 label-urgent-padding = 1
 
-[module/i3layout]
-type = custom/ipc
-hook-0 = cat $XDG_RUNTIME_DIR/i3/i3layout.txt 2> /dev/null
-format-foreground = ${colors.focused}
-initial = 1
-
 # This needs 3.6+
 [module/disk]
 type = internal/fs