Author: Cameron Ball
MDL-49414 webservices: Remove deprecated functions
http://git.moodle.org/gw?p=moodle.git;a=commit;h=f23e9b6ba49a0cd378b9be1b697307afbe0fed8c
http://github.com/moodle/moodle/commit/f23e9b6ba49a0cd378b9be1b697307afbe0fed8c
+ 3.1 en [privatefilesupload,core_error]