Removed unused i_matrix_coefficients picture_t field.

include/vlc_vout.h

@@ -81,7 +81,6 @@ struct picture_t
     int             i_status;                             /**< picture flags */
     int             i_type;                /**< is picture a direct buffer ? */
     bool            b_slow;                 /**< is picture in slow memory ? */
-    int             i_matrix_coefficients;   /**< in YUV type, encoding type */
     /**@}*/
 
     /** \name Picture management properties

src/video_output/vout_pictures.c

@@ -178,8 +178,6 @@ picture_t *vout_CreatePicture( vout_thread_t *p_vout,
             p_freepic->i_nb_fields          = i_nb_fields;
             p_freepic->b_top_field_first    = b_top_field_first;
 
-            p_freepic->i_matrix_coefficients = 1;
-
             p_vout->i_heap_size++;
         }
         else