This reverts commit df6cc08a.

Reason for revert: Utterly breaks chrome autorollers

Change-Id: I5bc05c538f30d689a078f47766c480be543d2a37
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/36108Reviewed-by: Ben Clayton <bclayton@google.com>
Tested-by: Ben Clayton <bclayton@google.com>