Don't generate Objective-C compatibility headers for Matter.framework Swift APIs.

Our Swift APIs are meant for use from Swift only anyway: they are implementing
convenience APIs for NS_REFINED_FOR_SWIFT bits and other places where the
Objective-C API maps oddly to Swift.

Author: bzbarsky-apple

src/darwin/Framework/Matter.xcodeproj/project.pbxproj

@@ -2039,6 +2039,7 @@
 				SDKROOT = iphoneos;
 				SUPPORTED_PLATFORMS = "macosx iphonesimulator iphoneos appletvos appletvsimulator watchos watchsimulator";
 				SUPPORTS_TEXT_BASED_API = NO;
+				SWIFT_INSTALL_OBJC_HEADER = NO;
 				TARGETED_DEVICE_FAMILY = "1,2,3,4";
 				VERSIONING_SYSTEM = "apple-generic";
 				VERSION_INFO_PREFIX = "";
@@ -2211,6 +2212,7 @@
 				SDKROOT = iphoneos;
 				SUPPORTED_PLATFORMS = "macosx iphonesimulator iphoneos appletvos appletvsimulator watchos watchsimulator";
 				SUPPORTS_TEXT_BASED_API = YES;
+				SWIFT_INSTALL_OBJC_HEADER = NO;
 				TARGETED_DEVICE_FAMILY = "1,2,3,4";
 				VALIDATE_PRODUCT = YES;
 				VERSIONING_SYSTEM = "apple-generic";