Revert "Fourth step of many to porting blink CSP tests to WPT"

This reverts commit 3f04a6d75c5da9c2a53a6e59b934fe620aa8a9dd.

Reason for revert: seems to have caused a leak:
https://uberchromegw.corp.google.com/i/chromium.webkit/builders/WebKit%20Linux%20Trusty%20Leak/builds/11102

Original change's description:
> Fourth step of many to porting blink CSP tests to WPT
> 
> This has been a long time overdue but there are too many things currently
> blocking on this so it's time to look at the blink-contrib folders.
> 
> Goals are to:
> - make blink-contrib folders contain valid tests that are not only
> programatically generated
> - get rid of the reliance on checkreport as much as possible in these tests
> 
> Bug: 651742
> Change-Id: Ie2574838b953142cc2ee0011dff34b90546fbbe8
> Reviewed-on: https://chromium-review.googlesource.com/730384
> Commit-Queue: Andy Paicu <andypaicu@chromium.org>
> Reviewed-by: Mike West <mkwst@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#510420}

TBR=mkwst@chromium.org,andypaicu@chromium.org

Change-Id: I417422a99eb30904d5527fe62e7d535a3a2b9786
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: 651742
Reviewed-on: https://chromium-review.googlesource.com/731223
Reviewed-by: Sahel Sharifymoghaddam <sahel@chromium.org>
Commit-Queue: Sahel Sharifymoghaddam <sahel@chromium.org>
Cr-Commit-Position: refs/heads/master@{#510442}
93 files changed