* include/gphoto2-frontend.h
* libgphoto2/frontend.c: Remove gp_frontend_prompt. This and the other
gp_frontend functions will reappear some day in gphoto2-camera.
git-svn-id: https://svn.code.sf.net/p/gphoto/code/trunk/libgphoto2@2428 67ed7778-7388-44ab-90cf-0a291f65f57c