Remove custom pagefind files

Author: fekete-robert

assets/scss/_styles_project.scss

@@ -6,8 +6,6 @@ assets/scss/_styles_project.scss
 
 */
 @import "tocbot";
-@import "pagefind/pagefind-modular-ui";
-@import "pagefind/pagefind-ui";
 
 .warning-block {
     border-left: 6px solid red;