chore: Remove unnecessary environment variable validation in QdrantVectorStoreIT (#3615)

Fixes #3615
Signed-off-by: jonghoonpark <dev@jonghoonpark.com>
(cherry picked from commit c47320d)

Author: dev-jonghoonpark

vector-stores/spring-ai-qdrant-store/src/test/java/org/springframework/ai/vectorstore/qdrant/QdrantVectorStoreIT.java

@@ -58,11 +58,11 @@
  * @author Eddú Meléndez
  * @author Thomas Vitale
  * @author Soby Chacko
+ * @author Jonghoon Park
  * @since 0.8.1
  */
 @Testcontainers
-@EnabledIfEnvironmentVariables({ @EnabledIfEnvironmentVariable(named = "MISTRAL_AI_API_KEY", matches = ".+"),
-		@EnabledIfEnvironmentVariable(named = "OPENAI_API_KEY", matches = ".+") })
+@EnabledIfEnvironmentVariable(named = "MISTRAL_AI_API_KEY", matches = ".+")
 public class QdrantVectorStoreIT extends BaseVectorStoreTests {
 
 	private static final String COLLECTION_NAME = "test_collection";
@@ -73,8 +73,7 @@ public class QdrantVectorStoreIT extends BaseVectorStoreTests {
 	static QdrantContainer qdrantContainer = new QdrantContainer(QdrantImage.DEFAULT_IMAGE);
 
 	private final ApplicationContextRunner contextRunner = new ApplicationContextRunner()
-		.withUserConfiguration(TestApplication.class)
-		.withPropertyValues("spring.ai.openai.apiKey=" + System.getenv("OPENAI_API_KEY"));
+		.withUserConfiguration(TestApplication.class);
 
 	List<Document> documents = List.of(
 			new Document("Spring AI rocks!! Spring AI rocks!! Spring AI rocks!! Spring AI rocks!! Spring AI rocks!!",