chore: drop waybar, hyprlock and the catppuccin leftovers

None of these are referenced any more: the shell replaced waybar and
hyprlock, and btop, zathura and the rest now use the YoRHa themes. The
hyprpaper unit is disabled because the shell draws the wallpaper.

.gitmodules

@@ -1,24 +1,15 @@
-[submodule "waybar/catppuccin-waybar"]
-	path = waybar/catppuccin-waybar
-	url = https://github.com/catppuccin/waybar.git
 [submodule "hypr/catppuccin-hyprland"]
 	path = hypr/catppuccin-hyprland
 	url = https://github.com/catppuccin/hyprland.git
 [submodule "hypr/catppuccin-hyprlock"]
 	path = hypr/catppuccin-hyprlock
 	url = https://github.com/catppuccin/hyprlock.git
-[submodule "zathura/catppuccin-zathura"]
-	path = zathura/catppuccin-zathura
-	url = https://github.com/catppuccin/zathura.git
 [submodule "nvim/pack/nvim/start/mini.nvim"]
 	path = nvim/pack/nvim/start/mini.nvim
 	url = https://github.com/echasnovski/mini.nvim
 [submodule "nvim/pack/nvim/start/nvim-lspconfig"]
 	path = nvim/pack/nvim/start/nvim-lspconfig
 	url = https://github.com/neovim/nvim-lspconfig
-[submodule "btop/catppuccin-btop"]
-	path = btop/catppuccin-btop
-	url = https://github.com/catppuccin/btop.git
 [submodule "nvim"]
 	path = nvim
 	url = https://git.narl.io/nvrl/nvim-config.git