refactor: 회사 필터 용 전체 회사 목록 조회 API 삭제

Author: kim-se-hee

src/main/java/ksh/backendserver/company/controller/CompanyController.java

@@ -3,9 +3,5 @@
 import ksh.backendserver.company.entity.Company;
 import org.springframework.data.jpa.repository.JpaRepository;
 
-import java.util.List;
-
 public interface CompanyRepository extends JpaRepository<Company, Long> {
-
-    List<Company> findAllByOrderByNameAsc();
 }