Remove DB backup.

Haters gonna hate.

init.lua

@@ -4,7 +4,6 @@ xban = { }
 local MP = minetest.get_modpath(minetest.get_current_modname())
 
 dofile(MP.."/serialize.lua")
-dofile(MP.."/shutil.lua")
 
 local db = { }
 local tempbans = { }
@@ -261,10 +260,6 @@ local function load_db()
 	end
 end
 
--- Backup database
-shutil.copy_file(DB_FILENAME,
-  DB_FILENAME.."."..os.date("%Y%m%d%H%M%S"))
-
 minetest.register_on_shutdown(save_db)
 minetest.after(SAVE_INTERVAL, save_db)
 load_db()

shutil.lua

@@ -1,42 +0,0 @@
-
-shutil = { }
-
-function shutil.copy_file(src, dst)
-	local e, sf, df, cont, ok
-	sf, e = io.open(src, "rb")
-	if not sf then
-		return nil, "Error opening input: "..(e or "")
-	end
-	df, e = io.open(dst, "wb")
-	if not df then
-		sf:close()
-		return nil, "Error opening output: "..(e or "")
-	end
-	cont, e = sf:read("*a")
-	if not cont then
-		sf:close()
-		df:close()
-		return nil, "Error reading input: "..(e or "")
-	end
-	ok, e = df:write(cont)
-	if not ok then
-		sf:close()
-		df:close()
-		return nil, "Error writing output: "..(e or "")
-	end
-	sf:close()
-	df:close()
-	return true
-end
-
-function shutil.move_file(src, dst)
-	local ok, e = shutil.copy_file(src, dst)
-	if not ok then
-		return nil, "Copy failed: "..(e or "")
-	end
-	ok, e = os.remove(src)
-	if not ok then
-		return nil, "Remove failed: "..(e or "")
-	end
-	return true
-end