Convert long sentence to bullet points (by @hugovk)

in sys.rst

Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>

Author: RafaelWO

Doc/library/sys.rst

@@ -1999,11 +1999,12 @@ always available. Unless explicitly noted otherwise, all variables are read-only
 
    .. note::
 
-      You can disable remote debugging support in a Python interpreter by (1) setting
-      the :envvar:`PYTHON_DISABLE_REMOTE_DEBUG` environment variable to any value before
-      starting the interpreter, (2) using the :option:`-X disable_remote_debug`
-      command-line option, or (3) compiling Python with the
-      :option:`--without-remote-debug` build flag.
+      To disable remote debugging support, use any of the following:
+
+      * Set the :envvar:`PYTHON_DISABLE_REMOTE_DEBUG` environment variable to
+        any value before starting the interpreter.
+      * Use the :option:`-X disable_remote_debug` command-line option.
+      * Compile Python with the :option:`--without-remote-debug` build flag.
 
    .. audit-event:: sys.remote_exec pid script_path