chromium.ico: Remove 24x24 icon size.

chromium.ico: Remove 24x24 icon size.

This icon size is not used by any version of Windows.

BUG=521493
Committed: https://crrev.com/d761c1b0ac5ba8bde9217db4cd88719d53ba58f9
Cr-Commit-Position: refs/heads/master@{#343855}

[Matt Giuca, 2015-08-18 07:29:45]

mgiuca@chromium.org changed reviewers:
+ oshima@chromium.org

[Matt Giuca, 2015-08-18 07:29:45]

Note: This is a precursor to my next CL which replaces the icon with the
material design version.

The rationale for doing it now is that I'm adding a semi-automated process for
creating icons, and I don't want to make 24x24 icons part of that process, so
now is a good time to remove it.

[oshima, 2015-08-18 07:35:20]

lgtm

[Matt Giuca, 2015-08-18 07:51:52]

The CQ bit was checked by mgiuca@chromium.org

[commit-bot: I haz the power, 2015-08-18 07:52:09]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1297133002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1297133002/1

[commit-bot: I haz the power, 2015-08-18 08:03:32]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-08-18 08:04:48]

Patchset 1 (id:??) landed as
https://crrev.com/d761c1b0ac5ba8bde9217db4cd88719d53ba58f9
Cr-Commit-Position: refs/heads/master@{#343855}