[Telemetry] Remove a debugging print statement I accidentally left in.
[Telemetry] Remove a debugging print statement I accidentally left in.

BUG=None
TEST=None
NOTRY=True

Review URL: https://chromiumcodereview.appspot.com/16069008

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@202637 0039d316-1c4b-4281-b951-d872f2087c98

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