Remove bogus coupling_point assignment for non-CCE as this value is not checked

in this case

Patch by Alex Converse ( alex converse gmail com )

Originally committed as revision 17179 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/aac.c

@@ -1577,8 +1577,6 @@ static int aac_decode_frame(AVCodecContext * avccontext, void * data, int * data
         if(elem_type < TYPE_DSE) {
             if(!ac->che[elem_type][elem_id])
                 return -1;
-            if(elem_type != TYPE_CCE)
-                ac->che[elem_type][elem_id]->coup.coupling_point = 4;
         }
 
         switch (elem_type) {