configure: remove duplicate ape_decoder_select line

Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

configure

@@ -2019,7 +2019,6 @@ amrwb_decoder_select="lsp"
 amv_decoder_select="sp5x_decoder exif"
 amv_encoder_select="aandcttables"
 ape_decoder_select="bswapdsp llauddsp"
-ape_decoder_select="bswapdsp"
 asv1_decoder_select="blockdsp bswapdsp dsputil"
 asv1_encoder_select="bswapdsp dsputil"
 asv2_decoder_select="blockdsp bswapdsp dsputil"