Cleanup bootclasspathFragmentInitContentsFromImage

Removes some unnecessary logic left over from previous changes.

Bug: 177892522
Test: m nothing
Change-Id: Id11e2ea8a647283af1b152b33757132e44dcd6c3
diff --git a/java/bootclasspath_fragment.go b/java/bootclasspath_fragment.go
index fecf893..c47ab38 100644
--- a/java/bootclasspath_fragment.go
+++ b/java/bootclasspath_fragment.go
@@ -233,14 +233,6 @@
 				commonApex, apex)
 		}
 	}
-
-	if len(contents) != 0 {
-		// Nothing to do.
-		return
-	}
-
-	// Store the jars in the Contents property so that they can be used to add dependencies.
-	m.properties.Contents = modules.CopyOfJars()
 }
 
 // bootclasspathImageNameContentsConsistencyCheck checks that the configuration that applies to this