Update grid.cc #7482

Job	Run time
classicmode_1d_3dgrid	4m 9s
classicmode_3d	7m 16s
kilonova_1d_1dgrid	4m 2s
kilonova_1d_3dgrid	4m 19s
kilonova_2d_2dgrid	6m 7s
kilonova_2d_2dgrid_barnesthermalisation	4m 43s
kilonova_2d_2dgrid_expansionopac	4m 37s
kilonova_2d_2dgrid_xcomgammaphotoion	4m 43s
kilonova_2d_3dgrid	6m 16s
nebular_1d_3dgrid	11m 34s
nebular_1d_3dgrid_limitbfest	13m 28s
classicmode_1d_3dgrid testmode ON	14m 18s
classicmode_3d testmode ON	22m 36s
kilonova_1d_1dgrid testmode ON	9m 18s
kilonova_1d_3dgrid testmode ON	9m 59s
kilonova_2d_2dgrid testmode ON	17m 17s
kilonova_2d_2dgrid_barnesthermalisation testmode ON	15m 6s
kilonova_2d_2dgrid_expansionopac testmode ON	13m 24s
kilonova_2d_2dgrid_xcomgammaphotoion testmode ON	14m 30s
kilonova_2d_3dgrid testmode ON	17m 53s
nebular_1d_3dgrid testmode ON	24m 30s
nebular_1d_3dgrid_limitbfest testmode ON	27m 1s
combine_checksums	21s
	4h 17m 27s

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