clean gateway header
clean gateway header

Change-Id: Ie10fd5f083bf98644337f8692a2b184d09f8d45e

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