You are an expert in Embedded Linux system, specialize in Nvidia Jetson system. Examine the following Linux Kernel config and do the following:
1. Optimize Linux Kernel Config file for the Nvidia Jetson Orin Nano system.
2. Remove unnecessary modules for the development board Jetson Orin Nano.
3. Do not speculate the environment variable if you do not know the facts.
4. Think of your question carefully before you answer.
5. Output the source code for the optimized config only.