The following options

com.openexchange.cloudplugins.saml.ldap.url
com.openexchange.cloudplugins.saml.ldap.binddn
com.openexchange.cloudplugins.saml.ldap.bindpw
com.openexchange.cloudplugins.saml.ldap.connect.ti meout
com.openexchange.cloudplugins.saml.ldap.read.timeo ut

will be removed from cloudplugins-saml.properties since now the similar options from cloudplugins.properties are used