Remove unused QtGlobal header #116

Job	Run time
build (ubuntu-latest, Debug, static, 5.12, x86_64)	43s
build (ubuntu-latest, Debug, static, 6.6.0, x86_64;arm64)	1m 3s
build (ubuntu-latest, Debug, shared, 5.12, x86_64)	50s
build (ubuntu-latest, Debug, shared, 6.6.0, x86_64;arm64)	51s
build (ubuntu-latest, Release, static, 5.12, x86_64)	54s
build (ubuntu-latest, Release, static, 6.6.0, x86_64;arm64)	1m 5s
build (ubuntu-latest, Release, shared, 5.12, x86_64)	39s
build (ubuntu-latest, Release, shared, 6.6.0, x86_64;arm64)	58s
build (windows-latest, Debug, static, 5.12, x86_64)	1m 35s
build (windows-latest, Debug, static, 6.6.0, x86_64;arm64)	1m 39s
build (windows-latest, Debug, shared, 5.12, x86_64)	1m 16s
build (windows-latest, Debug, shared, 6.6.0, x86_64;arm64)	1m 39s
build (windows-latest, Release, static, 5.12, x86_64)	54s
build (windows-latest, Release, static, 6.6.0, x86_64;arm64)	2m 12s
build (windows-latest, Release, shared, 5.12, x86_64)	1m 53s
build (windows-latest, Release, shared, 6.6.0, x86_64;arm64)	2m 22s
build (macos-latest, Debug, static, 5.12, x86_64)	32s
build (macos-latest, Debug, static, 6.6.0, x86_64;arm64)	1m 9s
build (macos-latest, Debug, shared, 5.12, x86_64)	50s
build (macos-latest, Debug, shared, 6.6.0, x86_64;arm64)	1m 34s
build (macos-latest, Release, static, 5.12, x86_64)	32s
build (macos-latest, Release, static, 6.6.0, x86_64;arm64)	1m 20s
build (macos-latest, Release, shared, 5.12, x86_64)	33s
build (macos-latest, Release, shared, 6.6.0, x86_64;arm64)	1m 28s
	28m 31s

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