ref: Cleanup PrivateSDKOnly imports (#3726)

The SentryTraceContext doesn't need to SentrySwift import. It only needs
a reference to SentryId.

Author: philipphofmann

SentryTestUtils/SentryTestUtils-ObjC-BridgingHeader.h

@@ -21,6 +21,7 @@
 #endif // SENTRY_TARGET_PROFILING_SUPPORTED
 
 #import "PrivateSentrySDKOnly.h"
+#import "SentryAppStartMeasurement.h"
 #import "SentryAppState.h"
 #import "SentryClient+Private.h"
 #import "SentryClient+TestInit.h"

Sources/Sentry/PrivateSentrySDKOnly.mm

@@ -1,4 +1,5 @@
 #import "PrivateSentrySDKOnly.h"
+#import "SentryAppStartMeasurement.h"
 #import "SentryBreadcrumb+Private.h"
 #import "SentryClient.h"
 #import "SentryDebugImageProvider.h"

Sources/Sentry/include/HybridPublic/PrivateSentrySDKOnly.h

@@ -1,11 +1,14 @@
 #import "PrivatesHeader.h"
-#import "SentryAppStartMeasurement.h"
-#import "SentryEnvelope.h"
-#import "SentryEnvelopeItemType.h"
 #import "SentryScreenFrames.h"
 
-@class SentryDebugMeta, SentryAppStartMeasurement, SentryScreenFrames, SentryOptions,
-    SentryBreadcrumb, SentryUser;
+@class SentryDebugMeta;
+@class SentryScreenFrames;
+@class SentryAppStartMeasurement;
+@class SentryOptions;
+@class SentryBreadcrumb;
+@class SentryUser;
+@class SentryEnvelope;
+@class SentryId;
 
 NS_ASSUME_NONNULL_BEGIN