fix: update config for Hyprland 0.55 breaking changes

Remove dwindle:pseudotile option (removed in 0.55) and switch the
togglesplit keybind to layoutmsg, togglesplit (dispatcher reworked
in 0.54).

hypr/hyprland.conf

@@ -160,7 +160,6 @@ animations {
 
 # See https://wiki.hyprland.org/Configuring/Dwindle-Layout/ for more
 dwindle {
-    pseudotile = true # Master switch for pseudotiling. Enabling is bound to mainMod + P in the keybinds section below
     preserve_split = true # You probably want this
     force_split = 2
 }

hypr/keybindings.conf

@@ -7,7 +7,7 @@ bind = $mainMod, V, togglefloating,
 bindr = $mainMod, SUPER_L, exec, $app_menu
 bind = SHIFT, SUPER_L, exec, $menu
 bind = $mainMod, P, pseudo, # dwindle
-bind = $mainMod, J, togglesplit, # dwindle
+bind = $mainMod, J, layoutmsg, togglesplit # dwindle
 
 bind = $mainMod, F, fullscreen