Formatting

Author: schmidt-sebastian

firebase-firestore/src/test/java/com/google/firebase/firestore/local/IndexBackfillerTest.java

@@ -31,7 +31,6 @@
 
 import com.google.firebase.firestore.auth.User;
 import com.google.firebase.firestore.core.Target;
-import com.google.firebase.firestore.model.Document;
 import com.google.firebase.firestore.model.DocumentKey;
 import com.google.firebase.firestore.model.FieldIndex;
 import com.google.firebase.firestore.model.FieldIndex.IndexOffset;