Revert of Recorded additional tough_energy_cases.

Revert of Recorded additional tough_energy_cases. (patchset #1 id:1 of https://codereview.chromium.org/506063002/)

Reason for revert:
Errors: "WARNING:root:The page set archives for some pages are missing. Someone forgot to check them in, or they were deleted. Skipping those pages. To fix this, record those pages using record_wpr. To ignore this warning and run against live sites, pass the flag --use-live-sites."


Example: http://chromegw/i/chromium.perf/builders/Win%208%20Perf%20%282%29/builds/3086/steps/tab_switching.tough_energy_cases/logs/stdio

Original issue's description:
> PERF SHERIFF: This CL changes the tough_energy_cases test.
> 
> Recorded additional tough_energy_cases.
> Moved all test cases to codepen, so they're easy to edit and all http.
> 
> BUG=386152
> 
> Committed: https://chromium.googlesource.com/chromium/src/+/f4919a56f8dde79db10d158940bab9b5a95688f0

TBR=tonyg@chromium.org,jeremy@chromium.org
NOTREECHECKS=true
NOTRY=true
BUG=386152
Committed: https://crrev.com/201a6a421614a4192c1b83701ea410c73c70e2dd
Cr-Commit-Position: refs/heads/master@{#293136}

[sullivan, 2014-09-03 14:51:59]

Created Revert of Recorded additional tough_energy_cases.

[commit-bot: I haz the power, 2014-09-03 14:52:54]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/sullivan@chromium.org/535153003/1

[commit-bot: I haz the power, 2014-09-03 15:03:28]

Committed patchset #1 (id:1) as fbb2fdc37dcc5757f6bcc17a072457b59697a146

[commit-bot: I haz the power, 2014-09-10 03:25:44]

Patchset 1 (id:??) landed as
https://crrev.com/201a6a421614a4192c1b83701ea410c73c70e2dd
Cr-Commit-Position: refs/heads/master@{#293136}