qimessaging: cleanup server.h
qimessaging: cleanup server.h

Change-Id: Id97ebdb41f370d682559e47bf398bbca5985b8ce

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