Remove verified asserts.
Remove verified asserts.

BUG=swiftshader:15

Change-Id: I3c3314f3787d42835a9483c7b797dc1dbdc0b76a
Reviewed-on: https://chromium-review.googlesource.com/400663
Tested-by: Nicolas Capens <51edc787c30f24c4904e8ffbb5523c3a9f7a451d@google.com>
Reviewed-by: Jim Stichnoth <46a13f57ad465cec7f48cfe1a20c394bb659ab25@chromium.org>

bkaradzic/SwiftShader,google/swiftshader,bkaradzic/SwiftShader,bkaradzic/SwiftShader,bkaradzic/SwiftShader,google/swiftshader,bkaradzic/SwiftShader,google/swiftshader