elk-reasoner/src/main/java/org/semanticweb/elk/reasoner/indexing/classes/DifferentialIndex.java
public void clearDeletedRules() {
		for (CachedIndexedObject<?> deletion : todoDeletions_) {
			LOGGER_.trace("{}: comitting removal", deletion);
			super.remove(deletion);
		}
		initDeletions();
	}
public void clearDeletedRules() {
		for (CachedIndexedObject<?> deletion : todoDeletions_) {
			LOGGER_.trace("{}: comitting removal", deletion);
			super.remove(deletion);
		}
		initDeletions();
	}
Removes the deleted rules from this {@link DifferentialIndex}; these
rules should be already applied in the main index during their
registration