Revert "neovim/kitty: try light theme for a bit"

This reverts commit 89bd68e76c.

neovim/.config/nvim/after/plugin/options.lua

@@ -37,5 +37,4 @@ vim.opt.ignorecase = true
 vim.opt.list = true
 vim.opt.listchars = { multispace = "·", tab = ">~", leadmultispace = "┊ " }
 
-vim.opt.background = "light"
-vim.cmd("colorscheme PaperColor")
+vim.cmd("colorscheme gruvbox-material")

neovim/.config/nvim/init.lua

@@ -16,7 +16,6 @@ require("packer").startup(function(use)
   use({ "nvim-lua/plenary.nvim" })
 
   use({ "sainnhe/gruvbox-material" })
-  use({ "NLKNguyen/papercolor-theme" })
 
   use({ "nvim-treesitter/nvim-treesitter" })
   use({