Make various small clean-up changes

src_files/.config/nvim/lua/key_mappings.lua

@@ -152,8 +152,8 @@ vim.keymap.set('n', '<leader>fg', tscBuiltin.git_files, { desc = 'tscope find gi
 vim.keymap.set('n', '<leader>fb', tscBuiltin.buffers, { desc = 'tscope buffers' })
 vim.keymap.set('n', '<leader>fh', tscBuiltin.help_tags, { desc = 'tscope help tags' })
 -- TODO: maybe add commands:
---     - find files including git-ignored (have a yes and no option)
---     - grep files including git-ignored (have a yes and no option)
+--     - find files including git-ignored (that is, have both a yes and no option)
+--     - grep files including git-ignored (that is, have both a yes and no option)
 --     - grep which supports fuzzy-find, unless performance is horrendous
 
 -- harpoon
@@ -171,9 +171,6 @@ end
 -- undotree
 vim.keymap.set("n", "<leader>u", vim.cmd.UndotreeToggle)
 
--- treesitter and treesitter-context
-vim.keymap.set("n", "<leader>tc", function() vim.cmd.TSContext({ "toggle" }) end)
-
 -- conform (formatter)
 vim.keymap.set("n", "<leader>fmt", function()
     require("conform").format({ bufnr = 0 })