Revert "Whitespace change to trigger bots"

This reverts commit e473d232.

Reason for revert: Checking if build infra is fixed

Original change's description:
> Whitespace change to trigger bots
> 
> Some bots turned red. Might be an infra failure. Let's see if this CL
> makes it disappear.
> 
> Tbr: machenbach@chromium.org
> No-Presubmit: true
> No-Tree-Checks: true
> No-Try: true
> Change-Id: I269257184cfca5423fb2c52ae8cfc1ad696002e9
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2196352
> Reviewed-by: Clemens Backes <clemensb@chromium.org>
> Commit-Queue: Clemens Backes <clemensb@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#67757}

TBR=clemensb@chromium.org

Change-Id: Ibe1d2725cc2bd621a3243b8930b43f8ec732420b
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2197254Reviewed-by: Shu-yu Guo <syg@chromium.org>
Commit-Queue: Shu-yu Guo <syg@chromium.org>
Cr-Commit-Position: refs/heads/master@{#67758}

tools/whitespace.txt

@@ -13,4 +13,4 @@ I'm starting to think that just adding trailing whitespaces might not be bad.
 
 Because whitespaces are not that funny.....
 Today's answer to life the universe and everything is 12950!
-Today's answer to life the universe and everything is 6729!
+Today's answer to life the universe and everything is 6728!