wmaenc: remove bit-exact hack

It may have improved cross-platform stability, but wasn't the only place in
the encoder with bitexact issues. It is no longer needed because we have FATE
tests for float encoders using fuzzy comparison.

libavcodec/wmaenc.c

@@ -306,10 +306,6 @@ static int encode_block(WMACodecContext *s, float (*src_coefs)[BLOCK_MAX_SIZE],
                         if(1<<coef_nb_bits <= abs_level)
                             return -1;
 
-
-                        //Workaround minor rounding differences for the regression tests, FIXME we should find and replace the problematic float by fixpoint for reg tests
-                        if(abs_level == 0x71B && (s->avctx->flags & CODEC_FLAG_BITEXACT)) abs_level=0x71A;
-
                         put_bits(&s->pb, coef_nb_bits, abs_level);
                         put_bits(&s->pb, s->frame_len_bits, run);
                     }