vc1dec: remove interlaced warning

While not yet bugfree, the warning is IMHO no longer appropriate
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libavcodec/vc1.c

@@ -866,9 +866,6 @@ int ff_vc1_parse_frame_header_adv(VC1Context *v, GetBitContext* gb)
         if (fcm) {
             if (fcm == ILACE_FIELD)
                 field_mode = 1;
-            if (!v->warn_interlaced++)
-                av_log(v->s.avctx, AV_LOG_ERROR,
-                       "Interlaced frames/fields support is incomplete\n");
         }
     } else {
         fcm = PROGRESSIVE;

libavcodec/vc1.h

@@ -399,8 +399,6 @@ typedef struct VC1Context{
     int end_mb_x;                ///< Horizontal macroblock limit (used only by mss2)
 
     int parse_only;              ///< Context is used within parser
-
-    int warn_interlaced;
 } VC1Context;
 
 /** Find VC-1 marker in buffer