Remove transform feedback remnants

src/Device/Context.cpp

@@ -223,8 +223,6 @@ namespace sw
 		instanceID = 0;
 
 		occlusionEnabled = false;
-		transformFeedbackQueryEnabled = false;
-		transformFeedbackEnabled = 0;
 
 		lineWidth = 1.0f;
 

src/Device/Context.hpp

@@ -210,8 +210,6 @@ namespace sw
 		int instanceID;
 
 		bool occlusionEnabled;
-		bool transformFeedbackQueryEnabled;
-		uint64_t transformFeedbackEnabled;
 
 		// Pixel processor states
 		bool rasterizerDiscard;

src/Device/VertexProcessor.hpp

@@ -94,9 +94,6 @@ namespace sw
 		void setUniformBuffer(int index, sw::Resource* uniformBuffer, int offset);
 		void lockUniformBuffers(byte** u, sw::Resource* uniformBuffers[]);
 
-		void setTransformFeedbackBuffer(int index, sw::Resource* transformFeedbackBuffer, int offset, unsigned int reg, unsigned int row, unsigned int col, unsigned int stride);
-		void lockTransformFeedbackBuffers(byte** t, unsigned int* v, unsigned int* r, unsigned int* c, unsigned int* s, sw::Resource* transformFeedbackBuffers[]);
-
 		void setInstanceID(int instanceID);
 
 		void setTextureFilter(unsigned int sampler, FilterType textureFilter);