Fixed credo errors

Author: scohen

apps/common/lib/lexical.ex

@@ -18,8 +18,4 @@ defmodule Lexical do
 
   @typedoc "A string representation of a path on the filesystem"
   @type path :: String.t()
-
-  def fun() do
-    :ok
-  end
 end

apps/common/test/lexical/document/path_test.exs

@@ -147,7 +147,7 @@ defmodule ElixirLS.LanguageServer.SourceFile.PathTest do
 
     test "windows path" do
       if windows?() do
-        drive_letter = Path.expand("/") |> String.split(":") |> hd()
+        drive_letter = "/" |> Path.expand() |> String.split(":") |> hd()
         assert "file:///c%3A/win/path" == to_uri("c:/win/path")
         assert "file:///c%3A/win/path" == to_uri("C:/win/path")
         assert "file:///c%3A/win/path" == to_uri("c:/win/path/")

apps/common/test/support/lexical/test/range_support.ex

@@ -1,10 +1,10 @@
 defmodule Lexical.Test.RangeSupport do
-  alias Lexical.Math
-  alias Lexical.Text
   alias Lexical.Document
   alias Lexical.Document.Position
   alias Lexical.Document.Range
+  alias Lexical.Math
   alias Lexical.Test.CursorSupport
+  alias Lexical.Text
 
   import Lexical.Document.Line, only: [line: 1]