Revert of Makes window manager include ui pak file

Revert of Makes window manager include ui pak file (patchset #1 id:1 of https://codereview.chromium.org/1466483003/ )

Reason for revert:
I'm reverting this and will instead include it in the wm.

Original issue's description:
> Makes window manager include ui pak file
>
> We'll need this for cursors and shadows.
>
> BUG=548426
> TEST=none
> R=erg@chromium.org
>
> Committed: https://crrev.com/35b0cd220fd2a788c16055b756e8483936b0e384
> Cr-Commit-Position: refs/heads/master@{#361162}

TBR=erg@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=548426
Committed: https://crrev.com/70c88376cec2c19eb322aa221bcc45e491fa580e
Cr-Commit-Position: refs/heads/master@{#361225}

[sky, 2015-11-24 00:11:36]

Created Revert of Makes window manager include ui pak file

[commit-bot: I haz the power, 2015-11-24 00:14:28]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1472753003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1472753003/1

[commit-bot: I haz the power, 2015-11-24 00:17:37]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-11-24 00:19:08]

Patchset 1 (id:??) landed as
https://crrev.com/70c88376cec2c19eb322aa221bcc45e491fa580e
Cr-Commit-Position: refs/heads/master@{#361225}