chore: remove redundant configuration

Signed-off-by: yuluo-yx <yuluo08290126@gmail.com>

Author: yuluo-yx

spring-ai-alibaba-chat-example/dashscope-chat/dashscope-chat-client/pom.xml

@@ -30,7 +30,6 @@
 
 	<artifactId>dashscope-chat-client</artifactId>
 	<version>${revision}</version>
-	<packaging>jar</packaging>
 
 	<description>Spring AI Alibaba Dashscope Chat Client Example</description>
 	<name>Spring AI Alibaba Dashscope Chat Client Examples</name>

spring-ai-alibaba-chat-example/dashscope-chat/dashscope-chat-model/pom.xml

@@ -30,7 +30,6 @@
 
 	<artifactId>dashscope-chat-model</artifactId>
 	<version>${revision}</version>
-	<packaging>jar</packaging>
 
 	<description>Spring AI Alibaba Dashscope Chat Model Example</description>
 	<name>Spring AI Alibaba Dashscope Chat Model Examples</name>

spring-ai-alibaba-chat-example/openai-chat/openai-chat-client/pom.xml

@@ -30,7 +30,6 @@
 
 	<artifactId>openai-chat-client</artifactId>
 	<version>${revision}</version>
-	<packaging>jar</packaging>
 
 	<description>Spring AI Alibaba OpenAI Chat Client Example</description>
 	<name>Spring AI Alibaba OpenAI Chat Client Examples</name>

spring-ai-alibaba-chat-example/openai-chat/openai-chat-model/pom.xml

@@ -30,7 +30,6 @@
 
 	<artifactId>openai-chat-model</artifactId>
 	<version>${revision}</version>
-	<packaging>jar</packaging>
 
 	<description>Spring AI Alibaba OpenAI Chat Model Example</description>
 	<name>Spring AI Alibaba OpenAI Chat Model Examples</name>