Clarify what code handles 'An end tag whose tag name is "script"'

Clarify what code handles 'An end tag whose tag name is "script"'

The "running a script" algorithm was renamed to "prepare a script" in
2011 <http://html5.org/r/5855>;, but HTMLScriptRunner::runScript
doesn't actually correspond to that algorithm, so remove the comment.

BUG=none
NOTRY=true

Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=166345

[philipj_slow, 2014-02-03 17:45:16]

PTAL, I found this bit of stale documentation when trying to add the "await a
stable state" concept.

[tkent, 2014-02-04 00:45:40]

lgtm

[commit-bot: I haz the power, 2014-02-04 00:46:11]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/philipj@opera.com/152903004/1

[commit-bot: I haz the power, 2014-02-04 00:46:22]

Change committed as 166345

[commit-bot: I haz the power, 2014-02-04 00:46:23]

CQ bit was unchecked on CL. Ignoring.

[commit-bot: I haz the power, 2014-02-04 00:46:27]

CQ bit was unchecked on CL. Ignoring.

[commit-bot: I haz the power, 2014-02-04 00:46:28]

CQ bit was unchecked on CL. Ignoring.

[commit-bot: I haz the power, 2014-02-04 00:46:31]

CQ bit was unchecked on CL. Ignoring.

[commit-bot: I haz the power, 2014-02-04 00:48:51]

CQ bit was unchecked on CL. Ignoring.