Fix javadoc error

  - Remove unused type from RedisVectorStore

Signed-off-by: StudiousXiaoYu <[email protected]>

Author: ilayaperumalg

vector-stores/spring-ai-redis-store/src/main/java/org/springframework/ai/vectorstore/redis/RedisVectorStore.java

@@ -27,7 +27,6 @@
 import java.util.function.Predicate;
 import java.util.stream.Collectors;
 
-import io.micrometer.observation.ObservationRegistry;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import redis.clients.jedis.JedisPooled;
@@ -60,7 +59,6 @@
 import org.springframework.ai.vectorstore.filter.FilterExpressionConverter;
 import org.springframework.ai.vectorstore.observation.AbstractObservationVectorStore;
 import org.springframework.ai.vectorstore.observation.VectorStoreObservationContext;
-import org.springframework.ai.vectorstore.observation.VectorStoreObservationConvention;
 import org.springframework.beans.factory.InitializingBean;
 import org.springframework.lang.Nullable;
 import org.springframework.util.Assert;
@@ -179,7 +177,6 @@
  * @author Soby Chacko
  * @author Jihoon Kim
  * @see VectorStore
- * @see RedisVectorStoreConfig
  * @see EmbeddingModel
  * @since 1.0.0
  */