Remove garbage collection.

mapgen.lua

@@ -485,18 +485,9 @@ end
 
 
 local function pgenerate(...)
-	if math.floor(collectgarbage("count")/1024) > 400 then
-		print("Fun Caves: Manually collecting garbage...")
-		collectgarbage("collect")
-
-		-- Slow down to allow time to free memory.
-		local clock = os.clock
-		local t0 = clock()
-		while clock() - t0 <= 2 do end
-	end
-
 	local status, err = pcall(generate, ...)
 	if not status then
+		print('Fun Caves: Could not generate terrain:')
 		print(dump(err))
 	end
 end