Update grid.cc #7025

Job	Run time
classicmode_1d_3dgrid	4m 44s
classicmode_3d	7m 39s
kilonova_1d_1dgrid	4m 47s
kilonova_1d_3dgrid	5m 9s
kilonova_2d_2dgrid	6m 40s
kilonova_2d_2dgrid_barnesthermalisation	5m 23s
kilonova_2d_2dgrid_expansionopac	5m 15s
kilonova_2d_2dgrid_xcomgammaphotoion	5m 18s
kilonova_2d_3dgrid	6m 52s
nebular_1d_3dgrid	12m 4s
nebular_1d_3dgrid_limitbfest	13m 46s
classicmode_1d_3dgrid testmode ON	16m 24s
classicmode_3d testmode ON	24m 38s
kilonova_1d_1dgrid testmode ON	10m 29s
kilonova_1d_3dgrid testmode ON	11m 40s
kilonova_2d_2dgrid testmode ON	19m 11s
kilonova_2d_2dgrid_barnesthermalisation testmode ON	17m 1s
kilonova_2d_2dgrid_expansionopac testmode ON	14m 53s
kilonova_2d_2dgrid_xcomgammaphotoion testmode ON	15m 50s
kilonova_2d_3dgrid testmode ON	19m 39s
nebular_1d_3dgrid testmode ON	26m 4s
nebular_1d_3dgrid_limitbfest testmode ON	28m 36s
combine_checksums	17s
	4h 42m 19s

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