Remove shader-related hallucinations

src/core/PICA/regs.cpp

@@ -329,9 +329,11 @@ void GPU::writeInternalReg(u32 index, u32 value, u32 mask) {
 			break;
 		}
 
+		/* TODO: Find out if this actually does anything
 		case VertexShaderTransferEnd:
 			if (value != 0) shaderUnit.vs.finalize();
 			break;
+		*/
 
 		case VertexShaderTransferIndex: shaderUnit.vs.setBufferIndex(value); break;
 

src/core/PICA/shader_unit.cpp

@@ -9,7 +9,6 @@ void ShaderUnit::reset() {
 
 void PICAShader::reset() {
 	loadedShader.fill(0);
-	bufferedShader.fill(0);
 	operandDescriptors.fill(0);
 
 	boolUniform = 0;