refactor(vector-store): remove optional micrometer tracing dependency

- Removed unused micrometer tracing bridge dependency

Signed-off-by: Ahoo Wang <[email protected]>

Author: Ahoo-Wang

spring-ai-vector-store/pom.xml

@@ -47,12 +47,6 @@
 			<version>${project.parent.version}</version>
 		</dependency>
 
-		<dependency>
-			<groupId>io.micrometer</groupId>
-			<artifactId>micrometer-tracing-bridge-otel</artifactId>
-			<optional>true</optional>
-		</dependency>
-
 		<dependency>
 			<groupId>org.jetbrains.kotlin</groupId>
 			<artifactId>kotlin-stdlib</artifactId>