more dependency cleanup, removed unused file

Author: playcations

src/core/diff/DiffManager.ts

@@ -18,7 +18,6 @@
 @import "tailwindcss/theme.css" layer(theme);
 @import "./preflight.css" layer(base);
 @import "tailwindcss/utilities.css" layer(utilities);
-@import "katex/dist/katex.min.css";
 
 @plugin "tailwindcss-animate";