Remove imports nao usados

Author: marcusdacoregio

rinha-api/build.gradle.kts

@@ -1,5 +1,3 @@
-import org.springframework.boot.gradle.tasks.bundling.BootBuildImage
-
 plugins {
     java
     id("org.springframework.boot") version "3.2.2"

rinha-api/src/main/java/com/marcusdacoregio/rinhaapi/Transacoes.java

@@ -5,14 +5,10 @@
 import jakarta.persistence.EntityManager;
 import jakarta.persistence.NoResultException;
 import org.springframework.http.HttpStatus;
-import org.springframework.jdbc.core.RowMapper;
-import org.springframework.jdbc.core.simple.JdbcClient;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 import org.springframework.web.server.ResponseStatusException;
 
-import java.sql.ResultSet;
-import java.sql.SQLException;
 import java.time.Instant;
 import java.util.Collections;
 import java.util.List;