FATE: drop the audio stream from the dxtory test

This is a video test and there are no audio packets in the sample
anyway.

tests/fate/screen.mak

@@ -3,7 +3,7 @@ FATE_SAMPLES_AVCONV-$(call DEMDEC, AVI, CSCD) += fate-cscd
 fate-cscd: CMD = framecrc -i $(TARGET_SAMPLES)/CSCD/sample_video.avi -an -pix_fmt rgb24
 
 FATE_SAMPLES_AVCONV-$(call DEMDEC, AVI, DXTORY) += fate-dxtory
-fate-dxtory: CMD = framecrc -i $(TARGET_SAMPLES)/dxtory/dxtory_mic.avi
+fate-dxtory: CMD = framecrc -i $(TARGET_SAMPLES)/dxtory/dxtory_mic.avi -an
 
 FATE_SAMPLES_AVCONV-$(call DEMDEC, AVI, FIC) += fate-fic-avi
 fate-fic-avi: CMD = framecrc -i $(TARGET_SAMPLES)/fic/fic-partial-2MB.avi -an

tests/ref/fate/dxtory

 #tb 0: 1/25
-#tb 1: 1/48000
 0,          0,          0,        1,  1382400, 0x44373645