pnmdec: remove useless .pix_fmts

Signed-off-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Justin Ruggles <justin.ruggles@gmail.com>

libavcodec/pnmdec.c

@@ -197,7 +197,6 @@ AVCodec ff_pgm_decoder = {
     .close          = ff_pnm_end,
     .decode         = pnm_decode_frame,
     .capabilities   = CODEC_CAP_DR1,
-    .pix_fmts  = (const enum PixelFormat[]){PIX_FMT_GRAY8, PIX_FMT_GRAY16BE, PIX_FMT_NONE},
     .long_name = NULL_IF_CONFIG_SMALL("PGM (Portable GrayMap) image"),
 };
 #endif
@@ -212,7 +211,6 @@ AVCodec ff_pgmyuv_decoder = {
     .close          = ff_pnm_end,
     .decode         = pnm_decode_frame,
     .capabilities   = CODEC_CAP_DR1,
-    .pix_fmts  = (const enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_NONE},
     .long_name = NULL_IF_CONFIG_SMALL("PGMYUV (Portable GrayMap YUV) image"),
 };
 #endif
@@ -227,7 +225,6 @@ AVCodec ff_ppm_decoder = {
     .close          = ff_pnm_end,
     .decode         = pnm_decode_frame,
     .capabilities   = CODEC_CAP_DR1,
-    .pix_fmts  = (const enum PixelFormat[]){PIX_FMT_RGB24, PIX_FMT_RGB48BE, PIX_FMT_NONE},
     .long_name = NULL_IF_CONFIG_SMALL("PPM (Portable PixelMap) image"),
 };
 #endif
@@ -242,7 +239,6 @@ AVCodec ff_pbm_decoder = {
     .close          = ff_pnm_end,
     .decode         = pnm_decode_frame,
     .capabilities   = CODEC_CAP_DR1,
-    .pix_fmts  = (const enum PixelFormat[]){PIX_FMT_MONOWHITE, PIX_FMT_NONE},
     .long_name = NULL_IF_CONFIG_SMALL("PBM (Portable BitMap) image"),
 };
 #endif
@@ -257,7 +253,6 @@ AVCodec ff_pam_decoder = {
     .close          = ff_pnm_end,
     .decode         = pnm_decode_frame,
     .capabilities   = CODEC_CAP_DR1,
-    .pix_fmts  = (const enum PixelFormat[]){PIX_FMT_RGB24, PIX_FMT_RGB32, PIX_FMT_GRAY8, PIX_FMT_MONOWHITE, PIX_FMT_NONE},
     .long_name = NULL_IF_CONFIG_SMALL("PAM (Portable AnyMap) image"),
 };
 #endif