docs: revert duped directive

Author: pajod

docs/source/deploy.rst

@@ -255,7 +255,6 @@ to the newly created unix socket:
     # this user can be transiently created by systemd
     # DynamicUser=true
     RuntimeDirectory=gunicorn
-    WorkingDirectory=~
     WorkingDirectory=/home/someuser/applicationroot
     ExecStart=/usr/bin/gunicorn applicationname.wsgi
     ExecReload=/bin/kill -s HUP $MAINPID