PlatformCompat: remove `()` in `isNativeOnWindows` #6219

Job	Run time
community-test (11, windows-latest, Scala2)	14m 50s
test (11, windows-latest, jvm, 2.12.20)	6m 26s
community-test (11, windows-latest, Scala3)	14m 0s
formatting	24s
test (11, windows-latest, jvm, 2.13.16)	5m 49s
community-test (11, windows-latest, Spark)	24m 16s
native-image (macOS-latest, default)	7m 3s
test (11, windows-latest, native, 2.12.20)	11m 46s
community-test (11, windows-latest, Intellij)	16m 52s
scala-native	0s
native-image (ubuntu-latest, default)	4m 17s
test (11, windows-latest, native, 2.13.16)	14m 58s
community-test (11, windows-latest, Other)	20m 49s
native-image (ubuntu-latest, musl)	4m 43s
test (11, ubuntu-latest, jvm, 2.12.20)	5m 0s
community-test (11, ubuntu-latest, Scala2)	13m 29s
test (11, ubuntu-latest, jvm, 2.13.16)	5m 0s
community-test (11, ubuntu-latest, Scala3)	12m 23s
test (11, ubuntu-latest, native, 2.12.20)	9m 3s
community-test (11, ubuntu-latest, Spark)	21m 46s
test (11, ubuntu-latest, native, 2.13.16)	12m 31s
community-test (11, ubuntu-latest, Intellij)	15m 15s
test (21, windows-latest, jvm, 2.12.20)	6m 17s
community-test (11, ubuntu-latest, Other)	16m 25s
test (21, windows-latest, jvm, 2.13.16)	7m 18s
test (21, windows-latest, native, 2.12.20)	11m 16s
test (21, windows-latest, native, 2.13.16)	14m 13s
test (21, ubuntu-latest, jvm, 2.12.20)	4m 39s
test (21, ubuntu-latest, jvm, 2.13.16)	4m 35s
test (21, ubuntu-latest, native, 2.12.20)	8m 46s
test (21, ubuntu-latest, native, 2.13.16)	11m 14s
dockerize	0s
	5h 25m 23s

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