fate: gapless: remove useless tests

These could be kept, but they are not overly useful. The only thing they
had over the remaining mp3 gapless test was seeking, which was incorrect
in the toc test, and only by chance correct in the notoc test.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

tests/fate/gapless.mak

-FATE_GAPLESS-$(CONFIG_MP3_DEMUXER) += fate-gapless-mp3 fate-gapless-mp3-toc fate-gapless-mp3-notoc
+FATE_GAPLESS-$(CONFIG_MP3_DEMUXER) += fate-gapless-mp3
 fate-gapless-mp3: CMD = gapless $(TARGET_SAMPLES)/gapless/gapless.mp3
-fate-gapless-mp3-toc: CMD = gapless $(TARGET_SAMPLES)/gapless/gapless.mp3 "-usetoc 1"
-fate-gapless-mp3-notoc: CMD = gapless $(TARGET_SAMPLES)/gapless/gapless.mp3 "-usetoc 0"
 
 FATE_GAPLESS = $(FATE_GAPLESS-yes)
 

tests/ref/fate/gapless-mp3-notoc

-d5c88cf38416329a052a9b0cb140fb4c *tests/data/fate/gapless-mp3-notoc.out-1
-c96c3ae7bd3300fd2f4debac222de5b7
-3386bc2009b31b7ef39247918cbb02a5 *tests/data/fate/gapless-mp3-notoc.out-2
-c96c3ae7bd3300fd2f4debac222de5b7
-92e37f050ad4fc817730c8af17ee6d1b *tests/data/fate/gapless-mp3-notoc.out-3

tests/ref/fate/gapless-mp3-toc

-d5c88cf38416329a052a9b0cb140fb4c *tests/data/fate/gapless-mp3-toc.out-1
-c96c3ae7bd3300fd2f4debac222de5b7
-3386bc2009b31b7ef39247918cbb02a5 *tests/data/fate/gapless-mp3-toc.out-2
-c96c3ae7bd3300fd2f4debac222de5b7
-70e7cd7f2b6365e7f48ed206113f06fc *tests/data/fate/gapless-mp3-toc.out-3