Remove developer mode from sudo.conf, it is no longer used.

docs/sudo_plugin_python.mdoc.in

@@ -1533,30 +1533,13 @@ file,
 .Nm sudo
 will not load the Python interpreter or the Python libraries.
 .Pp
-By default, a Python plugin can only import Python modules which are
-owned by
-.Sy root
-and are only writable by the owner.
-The reason for this is to prevent a file getting imported accidentally
-which is modifiable by a non-root user.
 As
 .Nm sudo
-plugins run as
+runs plugins as
 .Sy root ,
-accidentally importing such file would make it possible for any user
-(having write access) to execute any code with administrative rights.
-.Pp
-However, during development of a plugin this might not be very convenient.
-The
-.Xr sudo.conf @mansectform@
-.Em developer_mode
-option can be used to disable it.
-For example:
-.Dl Set developer_mode true
-.Pp
-This creates a security risk and is not recommended for production systems,
-it is intended to be used in a development environment (VM, container, etc).
-Before enabling developer mode, be sure that you understand the implications.
+care must be taken when writing Python plugins to avoid creating
+security vulnerabilities, just as one would when writing plugins
+in C.
 .Sh SUPPORT
 Limited free support is available via the sudo-users mailing list,
 see https://www.sudo.ws/mailman/listinfo/sudo-users to subscribe or