This workaround was added due to qualcomm driver bug b/129281932. But
this has been fixed with recent drivers. Removing the WR here so that it
will not negatively affect performance.

Bug: angleproject:4344
Change-Id: Iea2ec86082a0ced64bfe843bf916c6bdb2aea60b
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2029210
Commit-Queue: Charlie Lao <cclao@google.com>
Reviewed-by: Tobin Ehlis <tobine@google.com>