Remove dependency management for spring-ldap-ldif-batch

The spring-ldap-ldif-batch module was removed in Spring LDAP 2.4.0 in
favor of the equivalent code that already exists in Spring Batch.
This commit aligns Boot's dependency management with this removal.

Closes gh-31254

spring-boot-project/spring-boot-dependencies/build.gradle

@@ -1744,7 +1744,6 @@ bom {
 			modules = [
 				"spring-ldap-core",
 				"spring-ldap-core-tiger",
-				"spring-ldap-ldif-batch",
 				"spring-ldap-ldif-core",
 				"spring-ldap-odm",
 				"spring-ldap-test"