Removing unused function WTF::appendNumber

Removing unused function WTF::appendNumber

WTF::appendNumber can append a number as decimal characters to a
Vector of things that accept characters. It is not a string method
and nobody is using it so we have no reason to keep it.

BUG=

Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=193677

[Daniel Bratell, 2015-04-10 15:10:45]

bratell@opera.com changed reviewers:
+ jochen@chromium.org, thakis@chromium.org

[Daniel Bratell, 2015-04-10 15:10:46]

jochen, here is your easiest review of the week.

[jochen (gone - plz use gerrit), 2015-04-13 12:23:29]

lgtm

[Daniel Bratell, 2015-04-13 12:26:47]

The CQ bit was checked by bratell@opera.com

[commit-bot: I haz the power, 2015-04-13 12:27:04]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1059523004/1

[commit-bot: I haz the power, 2015-04-13 17:20:15]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2015-04-13 17:20:16]

Try jobs failed on following builders:
  linux_blink_rel on tryserver.blink (JOB_FAILED,
http://build.chromium.org/p/tryserver.blink/builders/linux_blink_rel/builds/5...)

[Daniel Bratell, 2015-04-14 07:22:56]

The CQ bit was checked by bratell@opera.com

[commit-bot: I haz the power, 2015-04-14 07:23:17]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1059523004/1

[commit-bot: I haz the power, 2015-04-14 08:45:41]

Committed patchset #1 (id:1) as
https://src.chromium.org/viewvc/blink?view=rev&revision=193677