Remove unused user clip planes

Bug: b/125909515
Change-Id: I35e1c54590fadfe5fa49d33552e0a4b4f8c892ee
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/32849
Presubmit-Ready: Nicolas Capens <nicolascapens@google.com>
Kokoro-Presubmit: kokoro <noreply+kokoro@google.com>
Tested-by: Nicolas Capens <nicolascapens@google.com>
Reviewed-by: Alexis Hétu <sugoi@google.com>
diff --git a/src/Device/Renderer.cpp b/src/Device/Renderer.cpp
index 3d4581b..d97c803 100644
--- a/src/Device/Renderer.cpp
+++ b/src/Device/Renderer.cpp
@@ -204,8 +204,6 @@
 			pixelProgress[cluster].init();
 		}
 
-		clipFlags = 0;
-
 		updateConfiguration(true);
 	}
 
diff --git a/src/Device/Renderer.hpp b/src/Device/Renderer.hpp
index 13a7c93..bfd4bb0 100644
--- a/src/Device/Renderer.hpp
+++ b/src/Device/Renderer.hpp
@@ -74,7 +74,6 @@
 		float slopeDepthBias;
 		float depthRange;
 		float depthNear;
-		Plane clipPlane[6];
 
 		unsigned int *colorBuffer[RENDERTARGETS];
 		int colorPitchB[RENDERTARGETS];
@@ -198,7 +197,6 @@
 
 		VkViewport viewport;
 		VkRect2D scissor;
-		int clipFlags;
 
 		Triangle *triangleBatch[16];
 		Primitive *primitiveBatch[16];