public void removeProperty(final TinkerVertex vertex, final String key, final VertexProperty property) {
        if (isComputeKey(key)) {
            this.removeValue(vertex, key, property);
        } else {
            throw GraphComputer.Exceptions.providedKeyIsNotAnElementComputeKey(key);
        }
    }
@author Marko A. Rodriguez (http://markorodriguez.com)
tinkergraph-gremlin/src/main/java/org/apache/tinkerpop/gremlin/tinkergraph/process/computer/TinkerGraphComputerView.java