radv: remove redundant check in radv_cmd_buffer_after_draw()

RADV_CMD_FLAG_PS_PARTIAL_FLUSH is only used for draws with
RADV_DEBUG=syncshaders, which implies a valid graphics pipeline.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24473>
1 file changed