Revert "Whitespace change."

This reverts commit 6ce0659aaf02a0897ecff34130c22e80511f570a.

Reason for revert:
Triggering a new build due to flaky mac bot.

Original change's description:
> Whitespace change.
> 
> Bug: none
> Change-Id: Ida6387a3ab88421299db119cf7e200bf609e0a74
> Tbr: mbonadei@webrtc.org
> NOPRESUBMIT: true
> NOTREECHECKS: true
> NOTRY: true
> Reviewed-on: https://webrtc-review.googlesource.com/54309
> Reviewed-by: Tommi <tommi@webrtc.org>
> Commit-Queue: Tommi <tommi@webrtc.org>
> Cr-Commit-Position: refs/heads/master@{#22071}

TBR=mbonadei@webrtc.org,tommi@webrtc.org

Change-Id: Ibf2633963de970d955f31c206e7a95672764959f
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: none
Reviewed-on: https://webrtc-review.googlesource.com/54801
Reviewed-by: Tommi <tommi@webrtc.org>
Commit-Queue: Tommi <tommi@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#22072}
diff --git a/whitespace.txt b/whitespace.txt
index 380cfde..fbd9531 100644
--- a/whitespace.txt
+++ b/whitespace.txt
@@ -2,4 +2,4 @@
 Try to write something funny. And please don't add trailing whitespace.
 
 Once upon a time there was an elephant in Stockholm.
-It had a trunk, like a car, except it was an elephant so, not really.
+