Remove PassKitUI/PKPaymentSetupController.h header check for PASSKIT_…

…MODULARIZATION SPI declaration

https://bugs.webkit.org/show_bug.cgi?id=262860
rdar://116640545

Reviewed by Wenson Hsieh.

Following rdar://88985220, all PassKit .m files are now in PassKitUI and
PassKitMacHelper, which means that the header check is now unnecessary.
Lets follow the spirit of PASSKIT_MODULARIZATION and stop pulling in
PKPaymentSetupController.h from <PassKit/>.

* Source/WebCore/PAL/pal/spi/cocoa/PassKitSPI.h:

Canonical link: https://commits.webkit.org/269078@main

Source/WebCore/PAL/pal/spi/cocoa/PassKitSPI.h

@@ -145,11 +145,10 @@ WTF_EXTERN_C_END
 #endif
 
 #if HAVE(PASSKIT_MODULARIZATION)
-// FIXME: remove this after <rdar://88985220>
-#if __has_include(<PassKitUI/PKPaymentSetupController.h>)
-#import <PassKitUI/PKPaymentSetupController.h>
+#if PLATFORM(MAC)
+#import <PassKitMacHelper/PKPaymentSetupController.h>
 #else
-#import <PassKit/PKPaymentSetupController.h>
+#import <PassKitUI/PKPaymentSetupController.h>
 #endif
 #if PLATFORM(MAC)
 #if HAVE(PASSKIT_MAC_HELPER_TEMP)