There are no more dependencies on sw::Surface, it can now be removed.

Bug b/126883332

Change-Id: I8d2deaa6eb78ffc1ce7be6614876a3c9a30da341
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/27492Reviewed-by: Nicolas Capens <nicolascapens@google.com>
Tested-by: Alexis Hétu <sugoi@google.com>
Kokoro-Presubmit: kokoro <noreply+kokoro@google.com>