PEP 1: Remove sentance explictly discussing changing governance PEPs

Author: CAM-Gerlach

pep-0001.txt

@@ -473,8 +473,7 @@ the implementation at the point where it is marked Final.
 Active Informational and Process PEPs may be updated over time to reflect
 changes to development practices and other details. The precise process
 followed in these cases will depend on the nature and purpose of the PEP
-being updated. Substantive changes to governance PEPs must be reviewed by the
-Steering Council (by opening a `Steering Council issue`_).
+in question.
 
 Occasionally, a Deferred or even a Withdrawn PEP may be resurrected
 with major updates, but it is often better to just propose a new one.