remove pre 1.11 code

Author: lukaszsamson

apps/language_server/lib/language_server/providers/folding_range/token.ex

@@ -32,11 +32,6 @@ defmodule ElixirLS.LanguageServer.Providers.FoldingRange.Token do
           {:sigil, {b1, b2, b3}, _, _, _, _, delimiter} ->
             {:sigil, {b1 - 1, b2 - 1, b3}, delimiter}
 
-          # Older versions of Tokenizer.tokenize/1
-          # TODO check which version
-          {:sigil, {b1, b2, b3}, _, _, _, delimiter} ->
-            {:sigil, {b1 - 1, b2 - 1, b3}, delimiter}
-
           {:bin_heredoc, {b1, b2, b3}, _, _} ->
             {:bin_heredoc, {b1 - 1, b2 - 1, b3}, nil}