Update: remove demo

Author: C0ldSmi1e

README.md

@@ -2,11 +2,6 @@
 
 The `tree` command, but interactive - a terminal filesystem navigator.
 
-<video width="100%" controls>
-  <source src="assets/demo.mp4" type="video/mp4">
-  Your browser does not support the video tag.
-</video>
-
 ## ✨ Features
 
 - **Interactive Navigation** - Navigate with arrow keys or vim-style controls (j/k/gg/G)