Remove all the explicit config passing to each of the functions.

Bug: b/137167988
Change-Id: Ie8ea956d2365f1901d75b0d10c9e649485d78bf4
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/33769Tested-by: Ben Clayton <bclayton@google.com>
Kokoro-Presubmit: kokoro <noreply+kokoro@google.com>
Reviewed-by: Nicolas Capens <nicolascapens@google.com>