Fire: Make explosions remove flames

TNT removes flammable nodes from the destruction radius and should
remove flames within it too because they lose their fuel and would
be removed by ABM later anyway.

mods/fire/init.lua

@@ -44,9 +44,6 @@ minetest.register_node("fire:basic_flame", {
 	on_construct = function(pos)
 		minetest.get_node_timer(pos):start(math.random(30, 60))
 	end,
-
-	on_blast = function() -- Unaffected by explosions
-	end,
 })
 
 minetest.register_node("fire:permanent_flame", {
@@ -72,9 +69,6 @@ minetest.register_node("fire:permanent_flame", {
 	damage_per_second = 4,
 	groups = {igniter = 2, dig_immediate = 3},
 	drop = "",
-
-	on_blast = function() -- Unaffected by explosions
-	end,
 })