What this MR does / why does DuMux need it:
Removes the usage of the LocalResidual
property in local assemblers. A first step towards selecting local residuals/operators w/o having to use the property system.
Before you request a review from someone, make sure to revise the following points:
CHANGELOG.md
.\n
character. Make sure there is no \ No newline at end of file
comment in "Changes" of this MR.