fix: remove unused variables causing build failure

Author: fuykun

src/components/QuickFilters.tsx

@@ -128,7 +128,7 @@ const DATE_QUICK_FILTERS = [
 ];
 
 export const QuickFilters: React.FC<QuickFiltersProps> = ({
-    indexName,
+
     dateFields,
     keywordFields,
     activeFilters,

src/components/WelcomeScreen.tsx

@@ -1,6 +1,6 @@
 import React, { useState, useEffect } from 'react';
 import { useTranslation } from 'react-i18next';
-import { Database, Search, Code, Plus, Loader, Server } from 'lucide-react';
+import { Plus, Loader, Server } from 'lucide-react';
 import { getSavedConnections, connectWithSavedConnection, SavedConnection } from '../api/elasticsearchClient';
 
 interface WelcomeScreenProps {