vbo: remove MaxVertexAttribStride assert check.

Some drivers (virgl) don't support GL4.4 or GLES3.1 yet,
so never fill in this const.

Reviewed-by: Mathias Fröhlich <mathias.froehlich@web.de>
Signed-off-by: Dave Airlie <airlied@redhat.com>

src/mesa/vbo/vbo_exec_draw.c

@@ -201,7 +201,6 @@ vbo_exec_bind_arrays(struct gl_context *ctx)
 
    /* Bind the buffer object */
    const GLuint stride = exec->vtx.vertex_size*sizeof(GLfloat);
-   assert(stride <= ctx->Const.MaxVertexAttribStride);
    _mesa_bind_vertex_buffer(ctx, vao, 0, exec->vtx.bufferobj, buffer_offset,
                             stride);