Remove functions to set callbacks.
Remove functions to set callbacks.

sebadoom/libssh,pouete/libssh,DouglasHeriot/libssh,Distrotech/libssh,nviennot/libssh,kedazo/libssh,rofl0r/libssh,Distrotech/libssh,mwgoldsmith/libssh,substack/libssh,elastichosts/libssh,DouglasHeriot/libssh,robxu9/libssh,sebadoom/libssh,kedazo/libssh,jt1/honeypot-libssh,wangshawn/libssh,jt1/honeypot-libssh,Distrotech/libssh,elastichosts/libssh,elastichosts/libssh,jt1/honeypot-libssh,rofl0r/libssh,bigcat26/libssh-mod,kedazo/libssh,nviennot/libssh,jahrome/libssh,sebadoom/libssh,mwgoldsmith/ssh,jt1/honeypot-libssh,substack/libssh,bigcat26/libssh-mod,bigcat26/libssh-mod,rofl0r/libssh,taikoo/libssh,jahrome/libssh,kedazo/libssh,jahrome/libssh,robxu9/libssh,sebadoom/libssh,robxu9/libssh,pouete/libssh,taikoo/libssh,nviennot/libssh,substack/libssh,nviennot/libssh,miloj/libssh-v0.5,wangshawn/libssh,bigcat26/libssh-mod,mwgoldsmith/libssh,mwgoldsmith/ssh,miloj/libssh-v0.5,Distrotech/libssh,taikoo/libssh,wangshawn/libssh,DouglasHeriot/libssh,robxu9/libssh,pouete/libssh,miloj/libssh-v0.5,substack/libssh,jahrome/libssh,mwgoldsmith/ssh,mwgoldsmith/libssh,taikoo/libssh,wangshawn/libssh,mwgoldsmith/ssh,rofl0r/libssh,pouete/libssh,DouglasHeriot/libssh,mwgoldsmith/libssh,miloj/libssh-v0.5