Remove unnused parameter

See gh-47694

Signed-off-by: Vincent Potucek <vpotucek@me.com>

spring-boot-project/spring-boot-tools/spring-boot-buildpack-platform/src/main/java/org/springframework/boot/buildpack/platform/docker/ExportedImageTar.java

@@ -129,7 +129,7 @@ class ExportedImageTar implements Closeable {
 				Assert.state(index != null || manifest != null,
 						"Exported image '%s' does not contain 'index.json' or 'manifest.json'".formatted(reference));
 				return (index != null) ? new IndexLayerArchiveFactory(tarFile, index)
-						: new ManifestLayerArchiveFactory(tarFile, manifest);
+						: new ManifestLayerArchiveFactory(manifest);
 			}
 		}
 
@@ -265,7 +265,7 @@ class ExportedImageTar implements Closeable {
 
 		private Set<String> layers;
 
-		ManifestLayerArchiveFactory(Path tarFile, ImageArchiveManifest manifest) {
+		ManifestLayerArchiveFactory(ImageArchiveManifest manifest) {
 			this.layers = manifest.getEntries()
 				.stream()
 				.flatMap((entry) -> entry.getLayers().stream())