test_signature: remove not working case with complex map/vector and ref/conf
test_signature: remove not working case with complex map/vector and ref/conf

aldebaran/libqi-java,aldebaran/libqi,aldebaran/libqi,aldebaran/libqi,bsautron/libqi,aldebaran/libqi-java,vbarbaresi/libqi,aldebaran/libqi-java