Use proper List equals/hashCode/toString methods (#19)

Author: SUPERCILEX

database/src/main/java/com/firebase/ui/database/FirebaseArray.java

@@ -130,30 +130,4 @@ private int getIndexForKey(String key) {
     protected List<DataSnapshot> getSnapshots() {
         return mSnapshots;
     }
-
-    @Override
-    public boolean equals(Object obj) {
-        if (this == obj) return true;
-        if (obj == null || getClass() != obj.getClass()) return false;
-
-        FirebaseArray snapshots = (FirebaseArray) obj;
-
-        return mQuery.equals(snapshots.mQuery) && mSnapshots.equals(snapshots.mSnapshots);
-    }
-
-    @Override
-    public int hashCode() {
-        int result = mQuery.hashCode();
-        result = 31 * result + mSnapshots.hashCode();
-        return result;
-    }
-
-    @Override
-    public String toString() {
-        if (isListening()) {
-            return "FirebaseArray is listening at " + mQuery + ":\n" + mSnapshots;
-        } else {
-            return "FirebaseArray is inactive";
-        }
-    }
 }

database/src/main/java/com/firebase/ui/database/FirebaseIndexArray.java

@@ -206,34 +206,6 @@ private void onKeyRemoved(DataSnapshot data, int index) {
         }
     }
 
-    @Override
-    public boolean equals(Object obj) {
-        if (this == obj) return true;
-        if (obj == null || getClass() != obj.getClass()) return false;
-        if (!super.equals(obj)) return false;
-
-        FirebaseIndexArray array = (FirebaseIndexArray) obj;
-
-        return mDataRef.equals(array.mDataRef) && mDataSnapshots.equals(array.mDataSnapshots);
-    }
-
-    @Override
-    public int hashCode() {
-        int result = super.hashCode();
-        result = 31 * result + mDataRef.hashCode();
-        result = 31 * result + mDataSnapshots.hashCode();
-        return result;
-    }
-
-    @Override
-    public String toString() {
-        if (isListening()) {
-            return "FirebaseIndexArray is listening at " + mDataRef + ":\n" + mDataSnapshots;
-        } else {
-            return "FirebaseIndexArray is inactive";
-        }
-    }
-
     /**
      * A ValueEventListener attached to the joined child data.
      */