chore: remove dead search dialog overlay code

static/search/actions.ts

@@ -1,13 +1,5 @@
-import {
-  searchInput,
-  searchDialog,
-  rememberSearchOpener,
-  focusLastSearchOpener,
-  setLastQuery,
-  getActiveRequestController,
-  setActiveRequestController,
-} from "./state";
-import { setSearchState, setClearButtonState, clearResults } from "./render";
+import { searchInput } from "./state";
+import { setClearButtonState } from "./render";
 import { cancelScheduledFetch, fetchSearchItems } from "./fetch";
 
 export const openSearch = (): void => {
@@ -16,37 +8,9 @@ export const openSearch = (): void => {
     return;
   }
 
-  rememberSearchOpener();
-  if (searchDialog) {
-    setSearchState(true);
-    searchInput.value = "";
-    setLastQuery("");
-    cancelScheduledFetch();
-    setClearButtonState(false);
-    clearResults();
-  }
   searchInput.focus();
 };
 
-export const closeSearch = (): void => {
-  if (!searchDialog || !searchInput) {
-    return;
-  }
-
-  setSearchState(false);
-  cancelScheduledFetch();
-  const activeRequestController = getActiveRequestController();
-  if (activeRequestController) {
-    activeRequestController.abort();
-    setActiveRequestController(undefined);
-  }
-  searchInput.value = "";
-  setLastQuery("");
-  setClearButtonState(false);
-  clearResults();
-  focusLastSearchOpener();
-};
-
 export const clearSearchInput = (): void => {
   if (!searchInput) {
     return;