[freeflow][test] Remove unnecessary function sourceAtPos set to zero (is the default anyway). (!1847) · Merge requests · dumux-repositories / dumux

What this MR does / why does DuMux need it: Remove unnecessary function sourceAtPos set to zero (is the default anyway).

Edited Feb 07, 2020 by Melanie Lipp

[freeflow][test] Remove unnecessary function sourceAtPos set to zero (is the default anyway).