Prewarm Web process on provisional load for all Apple platforms

https://bugs.webkit.org/show_bug.cgi?id=260194
rdar://problem/113891479

Reviewed by Brent Fulgham.

Prewarm Web process on provisional load for all Apple platforms, since this is a page load time improvement.

* Source/WTF/wtf/PlatformEnableCocoa.h:

Canonical link: https://commits.webkit.org/266938@main

Source/WTF/wtf/PlatformEnableCocoa.h

@@ -900,6 +900,6 @@
 #define ENABLE_SAMPLE_BUFFER_CONTENT_KEY_SESSION_SUPPORT 1
 #endif
 
-#if !defined(ENABLE_PREWARM_WEBPROCESS_ON_PROVISIONAL_LOAD) && (PLATFORM(IOS) || PLATFORM(MAC))
+#if !defined(ENABLE_PREWARM_WEBPROCESS_ON_PROVISIONAL_LOAD)
 #define ENABLE_PREWARM_WEBPROCESS_ON_PROVISIONAL_LOAD 1
 #endif