ICU-22977 Revert temp fix for MSVC builds, SkipUWP #3122

Job	Run time
clang-valgrind-test	9m 58s
clang-valgrind-intltest (utility)	6m 46s
clang-valgrind-intltest (normalize)	6m 12s
clang-valgrind-intltest (collator)	5m 30s
clang-valgrind-intltest (regex)	5m 28s
clang-valgrind-intltest (format)	16m 21s
clang-valgrind-intltest (translit)	5m 56s
clang-valgrind-intltest (rbbi)	7m 37s
clang-valgrind-intltest (rbnf)	6m 29s
clang-valgrind-intltest (rbnfrt)	6m 17s
clang-valgrind-intltest (icuserv)	5m 22s
clang-valgrind-intltest (idna)	5m 8s
clang-valgrind-intltest (convert)	6m 47s
clang-valgrind-intltest (rbnfp)	5m 21s
clang-valgrind-intltest (csdet)	5m 34s
clang-valgrind-intltest (spoof)	5m 13s
clang-valgrind-intltest (bidi)	5m 12s
	1h 55m 11s

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