Revert "Update radfield.cc" #7504

Job	Run time
classicmode_1d_3dgrid	3m 51s
classicmode_3d	7m 50s
kilonova_1d_1dgrid	4m 13s
kilonova_1d_3dgrid	4m 31s
kilonova_2d_2dgrid	6m 1s
kilonova_2d_2dgrid_barnesthermalisation	5m 28s
kilonova_2d_2dgrid_expansionopac	4m 39s
kilonova_2d_2dgrid_xcomgammaphotoion	4m 37s
kilonova_2d_3dgrid	6m 25s
nebular_1d_3dgrid	10m 56s
nebular_1d_3dgrid_limitbfest	14m 20s
classicmode_1d_3dgrid testmode ON	14m 37s
classicmode_3d testmode ON	22m 42s
kilonova_1d_1dgrid testmode ON	9m 29s
kilonova_1d_3dgrid testmode ON	10m 19s
kilonova_2d_2dgrid testmode ON	17m 23s
kilonova_2d_2dgrid_barnesthermalisation testmode ON	15m 19s
kilonova_2d_2dgrid_expansionopac testmode ON	13m 42s
kilonova_2d_2dgrid_xcomgammaphotoion testmode ON	14m 55s
kilonova_2d_3dgrid testmode ON	17m 45s
nebular_1d_3dgrid testmode ON	24m 52s
nebular_1d_3dgrid_limitbfest testmode ON	27m 11s
combine_checksums	17s
	4h 21m 22s

Provide feedback