Merge pull request #1978 from nextcloud/remove-send-mail-option

apps/files/lib/Controller/ViewController.php

apps/files/templates/index.php

apps/files/tests/Controller/ViewControllerTest.php

apps/files_sharing/appinfo/info.xml

apps/files_sharing/appinfo/update.php

apps/files_sharing/lib/Capabilities.php

apps/files_sharing/lib/Migration.php

apps/files_sharing/tests/CapabilitiesTest.php

apps/files_sharing/tests/MigrationTest.php

core/js/core.json

core/js/shareconfigmodel.js

core/js/sharedialoglinkshareview.js

core/js/sharedialogmailview.js

core/js/sharedialogshareelistview.js

core/js/sharedialogview.js

core/js/shareitemmodel.js

core/js/tests/specs/sharedialogshareelistview.js

core/js/tests/specs/sharedialogviewSpec.js

core/js/tests/specs/shareitemmodelSpec.js

lib/private/Settings/Admin/Sharing.php