chore(community): 불필요한 import 제거

Author: ayoung-dev

src/main/java/com/somemore/community/repository/board/CommunityBoardRepositoryImpl.java

@@ -2,7 +2,6 @@
 
 import com.querydsl.core.types.Projections;
 import com.querydsl.core.types.dsl.BooleanExpression;
-import com.querydsl.core.types.dsl.BooleanExpression;
 import com.querydsl.jpa.impl.JPAQuery;
 import com.querydsl.jpa.impl.JPAQueryFactory;
 import com.somemore.community.domain.CommunityBoard;