duplicate (?) survey entries

[knarrff]

submissions/2023-12-06/Numerics_Research_Group_2023-11-30_08-35-53.json
submissions/2023-12-06/University_of_Stuttgart__Institute_of_Aerodynamics_and_Gas_Dynmics_2023-12-01_10-04-42.json

are both from the Numerics Research Group @ Institute of Aerodynamics and Gas Dynamics. Their numbers differ. The one that has been submitted a little later seems to have more fine-grained numbers. Ideally, we should get input from that group as to which to use. Without input I propose to use the second (submitted last and more fine-grained numbers).