Remove icu as a dependency

Remove icu as a dependency

In https://codereview.webrtc.org/1430023005 all the code
references to ICU were removed. This actually removes the
library from being referenced.

TESTED=git cl try -c --bot=win_compile_rel --bot=linux_compile_rel --bot=android_compile_rel --bot=mac_compile_rel --bot=ios_rel -m tryserver.webrtc
R=phoglund@webrtc.org

Committed: https://crrev.com/a34bb2a78c713e5b9e2224bf7f793d140b0ca608
Cr-Commit-Position: refs/heads/master@{#10584}

[kjellander_webrtc, 2015-11-10 12:41:19]

Description was changed from

==========
Remove icu as a dependency

In https://codereview.webrtc.org/1430023005 all the code
references to ICU were removed. This actually removes the
library from being referenced.
==========

to

==========
Remove icu as a dependency

In https://codereview.webrtc.org/1430023005 all the code
references to ICU were removed. This actually removes the
library from being referenced.

TESTED=git cl try -c --bot=win_compile_rel --bot=linux_compile_rel
--bot=android_compile_rel --bot=mac_compile_rel --bot=ios_rel -m
tryserver.webrtc
==========

[kjellander_webrtc, 2015-11-10 12:41:19]

kjellander@webrtc.org changed reviewers:
+ phoglund@webrtc.org

[phoglund, 2015-11-10 15:43:20]

lgtm

[kjellander_webrtc, 2015-11-10 15:46:23]

Committed patchset #1 (id:1) manually as
a34bb2a78c713e5b9e2224bf7f793d140b0ca608 (presubmit successful).

[commit-bot: I haz the power, 2015-11-10 15:46:25]

Patchset 1 (id:??) landed as
https://crrev.com/a34bb2a78c713e5b9e2224bf7f793d140b0ca608
Cr-Commit-Position: refs/heads/master@{#10584}