This reverts commit 223a281e68.
Revert "Bug 2036896: race tests for nsHttpHandler string members r=necko-reviewers,valentin"
This reverts commit 201cb16c24.
Revert "Bug 2036896: Fix nsHttpHandler accept-encoding and user-agent data races r=necko-reviewers,valentin"
This reverts commit 55e56023a7.