avcodec/nvdec_mjpeg: Remove always-true #if CONFIG_MJPEG_NVDEC_HWACCEL

This file is built iff said hwaccel is enabled.

Reviewed-by: Philip Langdale <philipl@overt.org>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>

libavcodec/nvdec_mjpeg.c

@@ -20,8 +20,6 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#include "config_components.h"
-
 #include "avcodec.h"
 #include "internal.h"
 #include "mjpegdec.h"
@@ -71,7 +69,6 @@ static int nvdec_mjpeg_frame_params(AVCodecContext *avctx,
     return ff_nvdec_frame_params(avctx, hw_frames_ctx, 1, 0);
 }
 
-#if CONFIG_MJPEG_NVDEC_HWACCEL
 AVHWAccel ff_mjpeg_nvdec_hwaccel = {
     .name                 = "mjpeg_nvdec",
     .type                 = AVMEDIA_TYPE_VIDEO,
@@ -85,4 +82,3 @@ AVHWAccel ff_mjpeg_nvdec_hwaccel = {
     .uninit               = ff_nvdec_decode_uninit,
     .priv_data_size       = sizeof(NVDECContext),
 };
-#endif