Switch to having just one typedef for MTRCertificateDERBytes. (#23855)
Having two typedefs leads to some compilers complaining if they see
both, even though they are identical.
diff --git a/src/darwin/Framework/CHIP/MTRDeviceControllerStartupParams.h b/src/darwin/Framework/CHIP/MTRDeviceControllerStartupParams.h
index dfafee4..8ff5775 100644
--- a/src/darwin/Framework/CHIP/MTRDeviceControllerStartupParams.h
+++ b/src/darwin/Framework/CHIP/MTRDeviceControllerStartupParams.h
@@ -16,7 +16,7 @@
#import <Foundation/Foundation.h>
-typedef NSData * MTRCertificateDERBytes;
+#import <Matter/MTRCertificates.h>
NS_ASSUME_NONNULL_BEGIN
