remove apacheDSWorkDir since custom tmp dir is created

ldap/ldap.gradle

@@ -29,13 +29,11 @@ integrationTest {
     include('**/ApacheDSServerIntegrationTests.class')
 //    exclude('**/OpenLDAPIntegrationTestSuite.class')
     maxParallelForks = 1
-    systemProperties['apacheDSWorkDir'] = "${buildDir}/apacheDSWork"
 }
 
 // Runs a server for running the integration tests against (from an IDE, for example)
 task(ldapServer, dependsOn: 'integrationTestClasses', type: JavaExec) {
     classpath = sourceSets.integrationTest.runtimeClasspath
     main = 'org.springframework.security.ldap.ApacheDSServerIntegrationTests'
-    systemProperties['apacheDSWorkDir'] = "${buildDir}/apacheDSWork"
 }