Remove a needless directive.
<ChangeLog>
*) Change: the PHP module is now initialized before chrooting; this
enables loading all extensions from the host system.
*) Change: AVIF and APNG image formats added to the default MIME type
list.
*) Change: functional tests migrated to the pytest framework.
*) Feature: the Python module now fully supports applications that use
the ASGI 3.0 server interface.
*) Feature: the Python module now has a built-in WebSocket server
implementation for applications, compatible with the HTTP & WebSocket
ASGI Message Format 2.1 specification.
*) Feature: automatic mounting of an isolated "/tmp" file system into
chrooted application environments.
*) Feature: the $host variable contains a normalized "Host" request
value.
*) Feature: the "callable" option sets Python application callable
names.
*) Feature: compatibility with PHP 8 RC 1. Thanks to Remi Collet.
*) Feature: the "automount" option in the "isolation" object allows to
turn off the automatic mounting of language module dependencies.
*) Bugfix: "pass"-ing requests to upstreams from a route was broken; the
bug had appeared in 1.19.0. Thanks to 洪志道 (Hong Zhi Dao) for
discovering and fixing it.
*) Bugfix: the router process could crash during reconfiguration.
*) Bugfix: a memory leak occurring in the router process; the bug had
appeared in 1.18.0.
*) Bugfix: the "!" (non-empty) pattern was matched incorrectly; the bug
had appeared in 1.19.0.
*) Bugfix: fixed building on platforms without sendfile() support,
notably NetBSD; the bug had appeared in 1.16.0.
</ChangeLog>