[nvim] Move neovim config to /nvim

config/nvim/after/plugin/gitgutter.lua

@@ -1,27 +0,0 @@
--- Eryn Wells <eryn@erynwells.me>
-
--- Ensure there's always a gutter column so there's no stutter when changes cause it to appear.
-vim.wo.signcolumn = "yes"
-
-local gitgutter_colorscheme_group = vim.api.nvim_create_augroup("GitGutterColorSchemeOverrides", { clear = true })
-
-local function update_gitgutter_colors()
-    vim.cmd [[
-        hi! SignColumn ctermbg=233
-        hi! GitGutterAdd ctermbg=233
-        hi! GitGutterRemove ctermbg=233
-        hi! GitGutterChange ctermbg=233
-        hi! GitGutterChangeDelete ctermbg=233
-    ]]
-end
-
-vim.api.nvim_create_autocmd("User", {
-    pattern = "GitGutter",
-    callback = update_gitgutter_colors,
-    group = gitgutter_colorscheme_group,
-})
-
-vim.api.nvim_create_autocmd("ColorScheme", {
-    callback = update_gitgutter_colors,
-    group = gitgutter_colorscheme_group,
-})