Chromecast: Remove useless log in BufferingController

Chromecast: Remove useless log in BufferingController

This log statement is useless, since we already have
another log statement inside that loop, that will give us
enough information.

BUG=none

Committed: https://crrev.com/8961793ed9860cd8c66a58902bbeaa0a6aee9ca3
Cr-Commit-Position: refs/heads/master@{#315407}

[servolk, 2015-02-09 21:52:28]

servolk@chromium.org changed reviewers:
+ gunsch@chromium.org

[gunsch, 2015-02-09 21:53:15]

lgtm

[servolk, 2015-02-09 21:55:07]

The CQ bit was checked by servolk@chromium.org

[commit-bot: I haz the power, 2015-02-09 21:56:15]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/908023002/1

[commit-bot: I haz the power, 2015-02-09 22:21:32]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-02-09 22:22:30]

Patchset 1 (id:??) landed as
https://crrev.com/8961793ed9860cd8c66a58902bbeaa0a6aee9ca3
Cr-Commit-Position: refs/heads/master@{#315407}