Green Slimes: only spawn on default:mossycobble and group:mushroom

mobs_slimes/greenslimes.lua

@@ -115,17 +115,17 @@ else
 end
 --name, nodes, neighbors, min_light, max_light, interval, chance, active_object_count, min_height, max_height
 mobs:spawn_specific("mobs_slimes:green_big",
-	{"default:dirt_with_grass", "default:junglegrass", "default:mossycobble", "ethereal:green_dirt_top"},
+	{"default:mossycobble", "group:mushroom"},
 	{"air"},
 	4, 20, 30, 10000, 1, l_spawn_elevation_min, 31000
 )
 mobs:spawn_specific("mobs_slimes:green_medium",
-	{"default:dirt_with_grass", "default:junglegrass", "default:mossycobble", "ethereal:green_dirt_top"},
+    {"default:mossycobble", "group:mushroom"},
 	{"air"},
 	4, 20, 30, 10000, 2, l_spawn_elevation_min, 31000
 )
 mobs:spawn_specific("mobs_slimes:green_small",
-	{"default:dirt_with_grass", "default:junglegrass", "default:mossycobble", "ethereal:green_dirt_top"},
+    {"default:mossycobble", "group:mushroom"},
 	{"air"},
 	4, 20, 30, 10000, 3, l_spawn_elevation_min, 31000
 )