Remove ENABLE_SCREEN_CAPTURE_KIT

[youennf]

55462ac

Remove ENABLE_SCREEN_CAPTURE_KIT
https://bugs.webkit.org/show_bug.cgi?id=244198
rdar://problem/98971480

Reviewed by Eric Carlson.

ENABLE_SCREEN_CAPTURE_KIT is no longer being used.

* Source/WTF/wtf/PlatformEnableCocoa.h:

Canonical link: https://commits.webkit.org/253711@main

[webkit-early-warning-system]

10e995d

Misc	iOS, tvOS & watchOS	macOS	Linux	Windows
✅ 🧪 style	✅ 🛠 ios	✅ 🛠 mac	❌ 🛠 wpe	❌ 🛠 🧪 win
	✅ 🛠 ios-sim	✅ 🛠 mac-debug	❌ 🛠 gtk	✅ 🛠 wincairo
✅ 🧪 webkitperl	❌ 🧪 ios-wk2	✅ 🛠 mac-AS-debug	❌ 🧪 gtk-wk2
	❌ 🧪 api-ios	✅ 🧪 api-mac	❌ 🧪 api-gtk
✅ 🛠 🧪 jsc	✅ 🛠 tv	✅ 🧪 mac-wk1	✅ 🛠 jsc-armv7
	✅ 🛠 tv-sim	✅ 🧪 mac-wk2	✅ 🧪 jsc-armv7-tests
❌ 🛠 🧪 merge	✅ 🛠 watch	✅ 🧪 mac-AS-debug-wk2	✅ 🛠 jsc-mips
	✅ 🛠 watch-sim	✅ 🧪 mac-wk2-stress	✅ 🧪 jsc-mips-tests

[webkit-commit-queue]

Committed 253711@main (55462ac): https://commits.webkit.org/253711@main

Reviewed commits have been landed. Closing PR #3533 and removing active labels.