git: openjdk/jdk-sandbox: jep486: Remove text about needing RuntimePermission "getClassLoader" from

[duke]

Changeset: b4a05bb0
Branch: jep486
Author:    Sean Mullan <sean.mullan at oracle.com>
Date:      2024-10-07 17:31:55 +0000
URL:       https://git.openjdk.org/jdk-sandbox/commit/b4a05bb0b51805ae8c1ec29a160bb2c8c880a189

Remove text about needing RuntimePermission "getClassLoader" from
class description.

! src/java.base/share/classes/java/net/ContentHandler.java