Remove precacheDLL

Remove leftover variables not cleaned up in:
https://swiftshader-review.googlesource.com/c/SwiftShader/+/7250

Change-Id: Ia2e66c15e5cadeed32f564c60d5105c17319e9d4
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/27028
Presubmit-Ready: Alexis Hétu <sugoi@google.com>
Tested-by: Alexis Hétu <sugoi@google.com>
Kokoro-Presubmit: kokoro <noreply+kokoro@google.com>
Reviewed-by: Nicolas Capens <nicolascapens@google.com>
diff --git a/src/Renderer/PixelProcessor.cpp b/src/Renderer/PixelProcessor.cpp
index 1a158a7..133f90c 100644
--- a/src/Renderer/PixelProcessor.cpp
+++ b/src/Renderer/PixelProcessor.cpp
@@ -933,7 +933,7 @@
 	void PixelProcessor::setRoutineCacheSize(int cacheSize)
 	{
 		delete routineCache;
-		routineCache = new RoutineCache<State>(clamp(cacheSize, 1, 65536), precachePixel ? "sw-pixel" : 0);
+		routineCache = new RoutineCache<State>(clamp(cacheSize, 1, 65536));
 	}
 
 	void PixelProcessor::setFogRanges(float start, float end)