chore: remove dot at the beginning (nvim-telescope#1552)

We added this for rg 13.0 release because it was needed but it doesnt
seem to be needed anymore. Weird

This might be due to some changes in neovim or due to changes to jobs

lua/telescope/builtin/files.lua

@@ -85,8 +85,6 @@ files.live_grep = function(opts)
 
     if search_dirs then
       table.insert(search_list, search_dirs)
-    else
-      table.insert(search_list, ".")
     end
 
     if grep_open_files then
@@ -137,8 +135,6 @@ files.grep_string = function(opts)
     for _, path in ipairs(search_dirs) do
       table.insert(args, vim.fn.expand(path))
     end
-  else
-    table.insert(args, ".")
   end
 
   pickers.new(opts, {