Remove scvf corner storage for cc-mpfa scvf
What this MR does / why does DuMux need it:
Removes the final corner storage in scv(f) after deprecation in !3667 (merged).
Edited by Timo Koch
What this MR does / why does DuMux need it:
Removes the final corner storage in scv(f) after deprecation in !3667 (merged).