Update README.md

Author: mi-zhang

README.md

@@ -274,11 +274,6 @@ This script:
 This repo is built upon the official GR00T codebase:
 - https://github.com/NVIDIA/Isaac-GR00T
 
-## Important Note (Quantized Evaluation)
-
-The current release provides quantized evaluation for GR00T using DuQuant W4A8 + ATM + OHB.  
-This version focuses on validating accuracy and success-rate under low-bit settings.  
-End-to-end deployment with optimized integer kernels and on-robot validation will be included in a future update.
 
 ## Citation