Fix the dive mode for the Galileo Trimix.
Fix the dive mode for the Galileo Trimix.

Parsing the gas mixes has been implemented a while ago, so this check is
no longer neccessary.

henrik242/libdivecomputer,henrik242/libdivecomputer,glance-/libdivecomputer,Poltsi/libdivecomputer-vms,glance-/libdivecomputer