Revert "Change. Use require "resources.functions.config" to load config file."

resources/install/scripts/confirm.lua

@@ -26,7 +26,10 @@
 	digit_timeout = "5000";
 
 --check if a file exists
-	require "resources.functions.file_exists"
+	function file_exists(name)
+		local f=io.open(name,"r")
+		if f~=nil then io.close(f) return true else return false end
+	end
 
 --run if the session is ready
 	if ( session:ready() ) then