Provide details about which package to remove

Author: dacharyc

source/sdk/swift/test-and-debug.txt

@@ -307,8 +307,9 @@ steps:
 2. Go to the :guilabel:`Build Phases` tab.
 3. Expand the :guilabel:`Link Binary With Libraries` element.
 4. Select either ``Realm`` or ``RealmSwift``, and click the Remove items 
-   (:guilabel:`-`) button to remove the unneeded binary. For details about
-   which binary to link, refer to the Swift Package Manager 
-   :ref:`installation instructions <ios-install>`.
+   (:guilabel:`-`) button to remove the unneeded binary.
+
+   - If you use Swift or Swift and Objective-C APIs, keep ``RealmSwift``.
+   - If you use only Objective-C APIs, keep ``Realm``.
 
 Now your target should build without this error.