ICU-22984 Remove some obnoxious tests from 2003 #78

Job	Run time
clang-valgrind-intltest (utility)	7m 7s
clang-valgrind-intltest (normalize)	6m 30s
clang-valgrind-intltest (collator)	5m 26s
clang-valgrind-intltest (regex)	6m 5s
clang-valgrind-intltest (format)	16m 38s
clang-valgrind-intltest (translit)	6m 16s
clang-valgrind-intltest (rbbi)	9m 21s
clang-valgrind-test	10m 19s
clang-valgrind-intltest (rbnf)	6m 25s
clang-valgrind-intltest (rbnfrt)	6m 46s
clang-valgrind-intltest (icuserv)	5m 34s
clang-valgrind-intltest (idna)	5m 49s
clang-valgrind-intltest (convert)	7m 4s
clang-valgrind-intltest (rbnfp)	5m 30s
clang-valgrind-intltest (csdet)	5m 37s
clang-valgrind-intltest (spoof)	5m 37s
clang-valgrind-intltest (bidi)	5m 45s
	2h 1m 49s

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