refactor: 불필요한 코드 제거 및 수정

src/app/(post)/search/_components/SearchBar.tsx

@@ -1,4 +1,4 @@
-import React, { useState } from 'react';
+import React, { ChangeEvent, useState } from 'react';
 
 import Icon from '@/src/components/Icon';
 import TextInput from '@/src/components/TextInput';
@@ -11,7 +11,7 @@ interface SearchBarProps {
 const SearchBar = ({ onClear, onSubmit }: SearchBarProps) => {
   const [input, setInput] = useState('');
 
-  const handleInputChange = (e: React.ChangeEvent<HTMLInputElement>) => {
+  const handleInputChange = (e: ChangeEvent<HTMLInputElement>) => {
     setInput(e.target.value);
   };
 

src/app/(post)/search/page.tsx

@@ -3,7 +3,7 @@
 import React, { useState } from 'react';
 
 import Link from 'next/link';
-import { useRouter, useSearchParams } from 'next/navigation';
+import { useSearchParams } from 'next/navigation';
 
 import { useGetPostListAPI } from '@/src/apis/postList';
 import { CATEGORY_MAP } from '@/src/app/(main)/constants';
@@ -18,19 +18,16 @@ import SearchBar from './_components/SearchBar';
 
 const SearchPostPage = () => {
   const searchParams = useSearchParams();
-  const router = useRouter();
   const channel = (searchParams.get('channel') as ChannelType | null) ?? 'all';
   const [keyword, setKeyword] = useState('');
   const { content: posts } = useGetPostListAPI(keyword, CATEGORY_MAP[channel]);
 
   const handleRemoveClick = () => {
     setKeyword('');
-    router.push(`/search`);
   };
 
   const handleSubmit = (input: string) => {
     setKeyword(input);
-    router.push(`/search`);
   };
 
   return (