Update grid.cc #7030

Job	Run time
classicmode_1d_3dgrid	4m 50s
classicmode_3d	9m 49s
kilonova_1d_1dgrid	4m 58s
kilonova_1d_3dgrid	6m 22s
kilonova_2d_2dgrid	6m 53s
kilonova_2d_2dgrid_barnesthermalisation	5m 29s
kilonova_2d_2dgrid_expansionopac	5m 2s
kilonova_2d_2dgrid_xcomgammaphotoion	5m 45s
kilonova_2d_3dgrid	7m 31s
nebular_1d_3dgrid	11m 41s
nebular_1d_3dgrid_limitbfest	13m 56s
classicmode_1d_3dgrid testmode ON	16m 51s
classicmode_3d testmode ON	24m 58s
kilonova_1d_1dgrid testmode ON	10m 27s
kilonova_1d_3dgrid testmode ON	11m 2s
kilonova_2d_2dgrid testmode ON	18m 50s
kilonova_2d_2dgrid_barnesthermalisation testmode ON	16m 56s
kilonova_2d_2dgrid_expansionopac testmode ON	14m 43s
kilonova_2d_2dgrid_xcomgammaphotoion testmode ON	15m 54s
kilonova_2d_3dgrid testmode ON	19m 31s
nebular_1d_3dgrid testmode ON	25m 47s
nebular_1d_3dgrid_limitbfest testmode ON	28m 47s
combine_checksums	19s
	4h 46m 21s

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