Removed some unnecessary functions.
Removed some unnecessary functions.

josh-wambua/libdivecomputer,henrik242/libdivecomputer,andysan/libdivecomputer,andysan/libdivecomputer,glance-/libdivecomputer,venkateshshukla/libdivecomputer,josh-wambua/libdivecomputer,henrik242/libdivecomputer,glance-/libdivecomputer,Poltsi/libdivecomputer-vms,venkateshshukla/libdivecomputer