[Telemetry] Clean up debugging print for jiffies

[Telemetry] Clean up debugging print for jiffies

In linux_based_platform_backend a print message for debugging information
snuck its way in. This gets rid of that.

BUG=

Committed: https://crrev.com/37693acd07dd1a0c2ccc96c11dad0904deaa02dc
Cr-Commit-Position: refs/heads/master@{#327083}

[rnephew (Reviews Here), 2015-04-27 17:07:40]

rnephew@chromium.org changed reviewers:
+ nednguyen@google.com

[nednguyen, 2015-04-27 17:09:27]

The CQ bit was checked by nednguyen@google.com

[nednguyen, 2015-04-27 17:09:28]

lgtm

Thanks Randy!

[commit-bot: I haz the power, 2015-04-27 17:10:03]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1110543004/1

[commit-bot: I haz the power, 2015-04-27 18:36:41]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-04-27 18:38:13]

Patchset 1 (id:??) landed as
https://crrev.com/37693acd07dd1a0c2ccc96c11dad0904deaa02dc
Cr-Commit-Position: refs/heads/master@{#327083}