Hide title suggestions always

The title suggestions should not always be visible.

src/components/expenses/ExpenseFormFields.tsx

@@ -48,10 +48,9 @@ const ExpenseFormFields: React.FC<ExpenseFormFieldsProps> = ({
       />
       
       {/* 카테고리별 제목 제안 - 카테고리 선택 후에만 표시 */}
-      {selectedCategory && (
+      {selectedCategory && showTitleSuggestions && (
         <ExpenseTitleSuggestions 
           category={selectedCategory}
-          showSuggestions={showTitleSuggestions}
           onSuggestionClick={handleTitleSuggestionClick}
         />
       )}

src/components/expenses/ExpenseTitleSuggestions.tsx

@@ -5,13 +5,11 @@ import { getPersonalizedTitleSuggestions } from '@/utils/userTitlePreferences';
 
 interface ExpenseTitleSuggestionsProps {
   category: string;
-  showSuggestions: boolean;
   onSuggestionClick: (suggestion: string) => void;
 }
 
 const ExpenseTitleSuggestions: React.FC<ExpenseTitleSuggestionsProps> = ({
   category,
-  showSuggestions,
   onSuggestionClick
 }) => {
   const titleSuggestions = getPersonalizedTitleSuggestions(category);