Clean up issue filing template #940

Job	Run time
build-and-test (macos-13, 15.2, true, vimtags, check-xcodeproj-compat) / build-and-test	1m 5s
build-and-test (macos-14, 15.4, false) / build-and-test	1m 16s
build-and-test (macos-15, 16.2, true, true, true) / build-and-test	1m 10s
build-and-test (macos-13-xcode14-self-hosted, true, _10.9, true, true) / build-and-test	0s
	3m 31s

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