Remove passing tests from failing-ui-tests.txt #3013

Job	Run time
build_system	37s
spell_check	11s
duplicates	4s
build (gcc-15.deb, --extended-rand-tests)	9m 53s
build (gcc-15.deb, --test-libcore)	18m 4s
build (gcc-15.deb, --extended-regex-example-tests)	7m 49s
build (gcc-15.deb, --std-tests)	7m 58s
build (gcc-15.deb, --extended-regex-tests)	14m 26s
build (gcc-15.deb, --test-successful-rustc --nb-parts 2 --current-part 0)	6h 0m 16s
build (gcc-15.deb, --test-successful-rustc --nb-parts 2 --current-part 1)	14m 0s
build (gcc-15-without-int128.deb, --test-libcore)	16m 42s
build (gcc-15-without-int128.deb, --std-tests)	7m 58s
build (gcc-15-without-int128.deb, --projects)	11m 19s
build (gcc-15.deb, --projects)	12m 33s
build (gcc-15-without-int128.deb, --test-successful-rustc --nb-parts 2 --current-part 0)	6h 0m 17s
build (gcc-15-without-int128.deb, --extended-rand-tests)	9m 55s
build (gcc-15-without-int128.deb, --test-successful-rustc --nb-parts 2 --current-part 1)	12m 14s
build (gcc-15-without-int128.deb, --extended-regex-tests)	13m 27s
build (gcc-15-without-int128.deb, --extended-regex-example-tests)	9m 21s
success	3s
	14h 47m 7s

Provide feedback