Remove micrometer-commons dependency

This is already a transitive dependency of
micrometer-observation which is declared
as a compile time dependency.

spring-batch-core/pom.xml

@@ -65,11 +65,6 @@
 			<artifactId>micrometer-observation</artifactId>
 			<version>${micrometer.version}</version>
 		</dependency>
-		<dependency>
-			<groupId>io.micrometer</groupId>
-			<artifactId>micrometer-commons</artifactId>
-			<version>${micrometer.version}</version>
-		</dependency>
 
 		<!-- optional production dependencies -->
 		<dependency>