Update io-and-the-file-system.markdown (elixir-lang#1325)

esquith · José Valim · commit 76253eba5a1f · 2019-08-31T20:36:22.000-06:00
Nothing on this page mentions StringIO, unless I am going insane :)
diff --git a/getting-started/io-and-the-file-system.markdown b/getting-started/io-and-the-file-system.markdown
@@ -156,4 +156,4 @@ On the other hand, `:stdio` and files opened with `:utf8` encoding work with the
 
 Although this is a subtle difference, you only need to worry about these details if you intend to pass lists to those functions. Binaries are already represented by the underlying bytes and as such their representation is always "raw".
 
-This finishes our tour of IO devices and IO related functionality. We have learned about four Elixir modules - [`IO`](https://hexdocs.pm/elixir/IO.html), [`File`](https://hexdocs.pm/elixir/File.html), [`Path`](https://hexdocs.pm/elixir/Path.html) and [`StringIO`](https://hexdocs.pm/elixir/StringIO.html) - as well as how the <abbr title="Virtual Machine">VM</abbr> uses processes for the underlying IO mechanisms and how to use `chardata` and `iodata` for IO operations.
+This finishes our tour of IO devices and IO related functionality. We have learned about three Elixir modules - [`IO`](https://hexdocs.pm/elixir/IO.html), [`File`](https://hexdocs.pm/elixir/File.html), and [`Path`](https://hexdocs.pm/elixir/Path.html) - as well as how the <abbr title="Virtual Machine">VM</abbr> uses processes for the underlying IO mechanisms and how to use `chardata` and `iodata` for IO operations.

Original file line number	Diff line number	Diff line change
@@ -156,4 +156,4 @@ On the other hand, `:stdio` and files opened with `:utf8` encoding work with the
`156`	`156`
`157`	`157`	`Although this is a subtle difference, you only need to worry about these details if you intend to pass lists to those functions. Binaries are already represented by the underlying bytes and as such their representation is always "raw".`
`158`	`158`
`159`		-This finishes our tour of IO devices and IO related functionality. We have learned about four Elixir modules - [`IO`](https://hexdocs.pm/elixir/IO.html), [`File`](https://hexdocs.pm/elixir/File.html), [`Path`](https://hexdocs.pm/elixir/Path.html)and [`StringIO`](https://hexdocs.pm/elixir/StringIO.html) - as well as how the <abbrtitle="Virtual Machine">VM</abbr> uses processes for the underlying IO mechanisms and how to use `chardata` and `iodata` for IO operations.
	`159`	+This finishes our tour of IO devices and IO related functionality. We have learned about three Elixir modules - [`IO`](https://hexdocs.pm/elixir/IO.html), [`File`](https://hexdocs.pm/elixir/File.html), and [`Path`](https://hexdocs.pm/elixir/Path.html) - as well as how the <abbrtitle="Virtual Machine">VM</abbr> uses processes for the underlying IO mechanisms and how to use `chardata` and `iodata` for IO operations.