cleanup: Cleaned up some unused imports. (#3599)

Auto-cherry-pick 1.0.x
Fixes #3599

Signed-off-by: Sun Yuhan <sunyuhan1998@users.noreply.github.com>
Co-authored-by: Sun Yuhan <sunyuhan1998@users.noreply.github.com>

Author: sunyuhan1998

mcp/common/src/main/java/org/springframework/ai/mcp/AsyncMcpToolCallback.java

@@ -17,11 +17,9 @@
 package org.springframework.ai.mcp;
 
 import io.modelcontextprotocol.client.McpAsyncClient;
-import io.modelcontextprotocol.spec.McpSchema;
 import io.modelcontextprotocol.spec.McpSchema.CallToolRequest;
 import io.modelcontextprotocol.spec.McpSchema.Tool;
 import java.util.Map;
-import reactor.core.publisher.Mono;
 
 import org.springframework.ai.chat.model.ToolContext;
 import org.springframework.ai.model.ModelOptionsUtils;

spring-ai-model/src/main/java/org/springframework/ai/audio/tts/TextToSpeechResponse.java

@@ -20,7 +20,6 @@
 import java.util.Objects;
 
 import org.springframework.ai.model.ModelResponse;
-import org.springframework.ai.model.ResponseMetadata;
 
 /**
  * Implementation of the {@link ModelResponse} interface for the text to speech response.

vector-stores/spring-ai-elasticsearch-store/src/main/java/org/springframework/ai/vectorstore/elasticsearch/ElasticsearchVectorStore.java

@@ -36,8 +36,6 @@
 import com.fasterxml.jackson.databind.DeserializationFeature;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import org.elasticsearch.client.RestClient;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 
 import org.springframework.ai.document.Document;
 import org.springframework.ai.document.DocumentMetadata;