wined3d: Remove the unused stateblock vertex blend member.

dlls/wined3d/device.c

@@ -3381,14 +3381,8 @@ static HRESULT WINAPI IWineD3DDeviceImpl_SetRenderState(IWineD3DDevice *iface, W
     case WINED3DRS_RANGEFOGENABLE            :
     case WINED3DRS_FOGCOLOR                  :
     case WINED3DRS_FOGDENSITY                :
-        StateTable[STATE_RENDER(State)].apply(STATE_RENDER(State), This->stateBlock);
-        break;
-
     case WINED3DRS_VERTEXBLEND               :
-        {
-          This->updateStateBlock->vertex_blend = (WINED3DVERTEXBLENDFLAGS) Value;
-          TRACE("Vertex Blending state to %d\n",  Value);
-        }
+        StateTable[STATE_RENDER(State)].apply(STATE_RENDER(State), This->stateBlock);
         break;
 
     case WINED3DRS_TWEENFACTOR               :

dlls/wined3d/stateblock.c

@@ -167,7 +167,6 @@ void stateblock_copy(
     Dest->viewport = This->viewport;
     Dest->material = This->material;
     Dest->pixelShader = This->pixelShader;
-    Dest->vertex_blend = This->vertex_blend;
     Dest->tween_factor = This->tween_factor;
     Dest->glsl_program = This->glsl_program;
 

dlls/wined3d/wined3d_private.h

@@ -1172,7 +1172,6 @@ struct IWineD3DStateBlockImpl
     float                     *pixelShaderConstantF;
 
     /* Indexed Vertex Blending */
-    WINED3DVERTEXBLENDFLAGS   vertex_blend;
     FLOAT                     tween_factor;
 
     /* RenderState */