net/gcoap: deprecate macros used only by gcoap_finish()
net/gcoap: deprecate macros used only by gcoap_finish()

authmillenon/RIOT,smlng/RIOT,miri64/RIOT,kYc0o/RIOT,ant9000/RIOT,kaspar030/RIOT,authmillenon/RIOT,smlng/RIOT,jasonatran/RIOT,authmillenon/RIOT,toonst/RIOT,toonst/RIOT,ant9000/RIOT,basilfx/RIOT,yogo1212/RIOT,jasonatran/RIOT,x3ro/RIOT,jasonatran/RIOT,yogo1212/RIOT,kYc0o/RIOT,mtausig/RIOT,basilfx/RIOT,yogo1212/RIOT,OTAkeys/RIOT,x3ro/RIOT,toonst/RIOT,OlegHahm/RIOT,basilfx/RIOT,OTAkeys/RIOT,authmillenon/RIOT,jasonatran/RIOT,OTAkeys/RIOT,kaspar030/RIOT,x3ro/RIOT,yogo1212/RIOT,miri64/RIOT,smlng/RIOT,OlegHahm/RIOT,RIOT-OS/RIOT,yogo1212/RIOT,basilfx/RIOT,kaspar030/RIOT,x3ro/RIOT,ant9000/RIOT,RIOT-OS/RIOT,OlegHahm/RIOT,toonst/RIOT,authmillenon/RIOT,kaspar030/RIOT,miri64/RIOT,kYc0o/RIOT,kaspar030/RIOT,smlng/RIOT,yogo1212/RIOT,kYc0o/RIOT,smlng/RIOT,miri64/RIOT,mtausig/RIOT,OlegHahm/RIOT,OlegHahm/RIOT,mtausig/RIOT,OTAkeys/RIOT,ant9000/RIOT,RIOT-OS/RIOT,RIOT-OS/RIOT,authmillenon/RIOT,RIOT-OS/RIOT,kYc0o/RIOT,basilfx/RIOT,miri64/RIOT,toonst/RIOT,mtausig/RIOT,jasonatran/RIOT,mtausig/RIOT,ant9000/RIOT,OTAkeys/RIOT,x3ro/RIOT