Remove extra whitespace at the end of some line strings #2442

Job	Run time
build_system	22s
duplicates	4s
build (gcc-15.deb, --std-tests)	5m 56s
build (gcc-15.deb, --test-libcore)	14m 7s
build (gcc-15.deb, --extended-rand-tests)	8m 19s
build (gcc-15.deb, --extended-regex-example-tests)	6m 30s
build (gcc-15.deb, --extended-regex-tests)	12m 6s
build (gcc-15.deb, --test-successful-rustc --nb-parts 2 --current-part 0)	11m 30s
build (gcc-15.deb, --test-successful-rustc --nb-parts 2 --current-part 1)	11m 10s
build (gcc-15.deb, --projects)	12m 6s
build (gcc-15-without-int128.deb, --std-tests)	6m 29s
build (gcc-15-without-int128.deb, --test-libcore)	14m 27s
build (gcc-15-without-int128.deb, --extended-rand-tests)	8m 30s
build (gcc-15-without-int128.deb, --extended-regex-example-tests)	6m 36s
build (gcc-15-without-int128.deb, --extended-regex-tests)	12m 17s
build (gcc-15-without-int128.deb, --test-successful-rustc --nb-parts 2 --current-part 0)	11m 31s
build (gcc-15-without-int128.deb, --test-successful-rustc --nb-parts 2 --current-part 1)	11m 27s
build (gcc-15-without-int128.deb, --projects)	12m 14s
	2h 45m 41s

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