ddraw: Remove unused variables

[Andrew Talbot]

Changelog:
    ddraw: Remove unused variables.

diff --git a/dlls/ddraw/executebuffer.c b/dlls/ddraw/executebuffer.c
index 09125e2..76f0e36 100644
--- a/dlls/ddraw/executebuffer.c
+++ b/dlls/ddraw/executebuffer.c
@@ -401,9 +401,7 @@ IDirect3DExecuteBufferImpl_Execute(IDirect3DExecuteBufferImpl *This,
 		        unsigned int nb;
 			D3DVERTEX  *src = ((LPD3DVERTEX)  ((char *)This->desc.lpData + vs)) + ci->wStart;
 			D3DTLVERTEX *dst = ((LPD3DTLVERTEX) (This->vertex_data)) + ci->wDest;
-			D3DMATRIX *mat2 = &world_mat;
 			D3DMATRIX mat;
-			D3DVALUE nx,ny,nz;
 			D3DVIEWPORT* Viewport = &lpViewport->viewports.vp1;
 			
 			if (TRACE_ON(d3d7)) {
@@ -419,18 +417,13 @@ IDirect3DExecuteBufferImpl_Execute(IDirect3DExecuteBufferImpl *This,
                         multiply_matrix(&mat,&proj_mat,&mat);
 
 			for (nb = 0; nb < ci->dwCount; nb++) {
-			    /* Normals transformation */
-			    nx = (src->u4.nx * mat2->_11) + (src->u5.ny * mat2->_21) + (src->u6.nz * mat2->_31);
-			    ny = (src->u4.nx * mat2->_12) + (src->u5.ny * mat2->_22) + (src->u6.nz * mat2->_32);
-			    nz = (src->u4.nx * mat2->_13) + (src->u5.ny * mat2->_23) + (src->u6.nz * mat2->_33);
-			    
 			    /* No lighting yet */
 			    dst->u5.color = 0xFFFFFFFF; /* Opaque white */
 			    dst->u6.specular = 0xFF000000; /* No specular and no fog factor */
-			    
+
 			    dst->u7.tu  = src->u7.tu;
 			    dst->u8.tv  = src->u8.tv;
-			    
+
 			    /* Now, the matrix multiplication */
 			    dst->u1.sx = (src->u1.x * mat._11) + (src->u2.y * mat._21) + (src->u3.z * mat._31) + (1.0 * mat._41);
 			    dst->u2.sy = (src->u1.x * mat._12) + (src->u2.y * mat._22) + (src->u3.z * mat._32) + (1.0 * mat._42);