remove unused exports

frontend/src/Theme/index.js

@@ -1,5 +1,3 @@
 export { default as Icon } from "../components/CustomIcon";
 export { default as Button } from "./Button";
 export { default as Input } from "./Input";
-export { default as JournalLinkBox } from "../components/JournalLinkBox";
-export { default as EntryCard } from "../components/EntryCard";