audiodecoder: Remove pointless else{} around some code

gst-libs/gst/audio/gstaudiodecoder.c

@@ -1443,7 +1443,7 @@ gst_audio_decoder_drain (GstAudioDecoder * dec)
 
   if (dec->priv->drained && !dec->priv->gather)
     return GST_FLOW_OK;
-  else {
+
   /* Send any pending events before draining, as that
    * may update the pending segment info */
   send_pending_events (dec);
@@ -1477,7 +1477,6 @@ gst_audio_decoder_drain (GstAudioDecoder * dec)
   gst_adapter_clear (dec->priv->adapter);
   return ret;
 }
-}
 
 /* hard == FLUSH, otherwise discont */
 static GstFlowReturn