Merge pull request #14530 from owncloud/revert-14403

Revert "Updating license headers"

diff --cc apps/files_encryption/appinfo/app.php
Simple merge

diff --cc apps/files_sharing/lib/controllers/sharecontroller.php
Simple merge

diff --cc lib/private/backgroundjob/joblist.php
Simple merge

diff --cc lib/private/backgroundjob/queuedjob.php
Simple merge

diff --cc lib/private/cache/fileglobalgc.php
Simple merge

diff --cc lib/private/connector/sabre/objecttree.php
Simple merge

diff --cc lib/private/files/view.php
Simple merge

diff --cc lib/private/helper.php
Simple merge

diff --cc lib/private/server.php
Simple merge

diff --cc lib/private/util.php
Simple merge

diff --cc lib/public/iservercontainer.php
Simple merge

diff --cc settings/admin.php
Simple merge

diff --cc version.php
Simple merge