Undo #465 (#469)

We have broke all extension that do some sort of goto_file_selection:replace

Problem described here: https://github.com/nvim-telescope/telescope.nvim/pull/465#issuecomment-767831897
Possible solution: https://github.com/nvim-telescope/telescope.nvim/pull/465#issuecomment-767808213

lua/telescope/config.lua

@@ -83,7 +83,7 @@ function config.set_defaults(defaults)
   -- Otherwise, just set the mapping to the function that you want it to be.
   --
   --            ...,
-  --            ["<C-i>"] = actions.hselect
+  --            ["<C-i>"] = actions.goto_file_selection_split
   --            ...,
   --
   set("mappings", {})