Fix instrumentation targetPackage default

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: simonrozsival

src/Microsoft.Android.Sdk.TrimmableTypeMap/Generator/ComponentElementBuilder.cs

@@ -176,12 +176,6 @@ internal static void AddInstrumentation (XElement manifest, JavaPeerInfo peer, s
 			return;
 		}
 		PropertyMapper.ApplyMappings (element, component.Properties, PropertyMapper.InstrumentationMappings);
-		if (element.Attribute (AndroidNs + "targetPackage") is null) {
-			var packageName = (string?) manifest.Attribute ("package");
-			if (!packageName.IsNullOrEmpty ()) {
-				element.SetAttributeValue (AndroidNs + "targetPackage", packageName);
-			}
-		}
 
 		// Default targetPackage to the app package name, matching legacy ManifestDocument behavior
 		if (element.Attribute (AndroidNs + "targetPackage") is null) {