chore(kotlin): remove prismjs css import

Author: thelooter

styles/kotlin/catppuccin.user.css

@@ -17,13 +17,6 @@
 
 @-moz-document domain('kotlinlang.org') {
 
-  @import (css)
-url("https://prismjs.catppuccin.com/@{lightFlavor}.css")
-(prefers-color-scheme: light);
-  @import (css)
-url("https://prismjs.catppuccin.com/@{darkFlavor}.css")
-(prefers-color-scheme: dark);
-
   @media (prefers-color-scheme: light) {
     :root {
       #catppuccin(@lightFlavor, @accentColor);