Remove passing tests from failing-ui-tests.txt #3014

Job	Run time
duplicates	3s
build_system	26s
spell_check	10s
build (gcc-15.deb, --std-tests)	6m 13s
build (gcc-15.deb, --test-successful-rustc --nb-parts 2 --current-part 1)	15m 54s
build (gcc-15.deb, --test-libcore)	18m 0s
build (gcc-15.deb, --test-successful-rustc --nb-parts 2 --current-part 0)	14m 10s
build (gcc-15.deb, --extended-rand-tests)	10m 3s
build (gcc-15.deb, --projects)	11m 5s
build (gcc-15-without-int128.deb, --extended-rand-tests)	8m 50s
build (gcc-15.deb, --extended-regex-tests)	11m 40s
build (gcc-15.deb, --extended-regex-example-tests)	7m 41s
build (gcc-15-without-int128.deb, --test-libcore)	17m 37s
build (gcc-15-without-int128.deb, --std-tests)	7m 23s
build (gcc-15-without-int128.deb, --extended-regex-tests)	12m 53s
build (gcc-15-without-int128.deb, --projects)	11m 50s
build (gcc-15-without-int128.deb, --extended-regex-example-tests)	8m 14s
build (gcc-15-without-int128.deb, --test-successful-rustc --nb-parts 2 --current-part 1)	14m 42s
build (gcc-15-without-int128.deb, --test-successful-rustc --nb-parts 2 --current-part 0)	14m 56s
success	2s
	3h 11m 52s

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