[pkg-php-pear] php-sabre-dav-2.1 is marked for autoremoval from testing

[Debian testing autoremoval watch]

php-sabre-dav-2.1 2.1.10-1 is marked for autoremoval from testing on 2017-12-13

It (build-)depends on packages with these RC bugs:
880337: php-sabre-vobject-3: timezome Canada/East-Saskatchewan is removed in tzdata 2017c