IOS-2791 Revert "Import the tb4ext logger"

This reverts commit b86e990fde.

pantomime-lib/Framework/Pantomime/CWSMTP+Protected.m

@@ -12,7 +12,7 @@
 #import <PantomimeFramework/CWMessage.h>
 #import "CWThreadSafeArray.h"
 
-#import <pEpIOSToolboxForExtensions/pEpIOSToolboxForExtensions-Swift.h>
+#import <pEpIOSToolbox/PEPLogger.h>
 #import "NSData+Extensions.h"
 
 @implementation CWSMTP (Protected)