Remove duplicate entry for merged PR louislam#687

Author: tobi1449

README.md

@@ -48,7 +48,6 @@ View Video: https://youtu.be/AWAlOQeNpgU?t=48
 - PR #687: Support for nested stacks directory (by: https://github.com/mkoo21)
 - PR #700: Add Resource Usage Stats (by https://github.com/justwiebe)
 - PR #714: Conditional stack files deletion (by: https://github.com/husa)
-- PR #687: Support for nested stacks directory (by: https://github.com/mkoo21)
 
 
 ## 🔧 How to Install