Tighten up language for the steering council delegations

Instead of "expected", make it clear that the Steering Council "will"
change their delegations.

Author: pradyunsg

peps/pep-0772.rst

@@ -168,11 +168,10 @@ publicly in a timely fashion.
 Delegations
 -----------
 
-The Python Steering Council is expected to delegate decision making to the
-Packaging Council for PEPs related to the Python packaging.  The bodies would
-work together on issues that intersect the packaging domain and language
-stewardship (including the CPython implementation, standard library, and
-distribution).
+The Python Steering Council will delegate decision making to the Packaging
+Council for PEPs related to the Python packaging. The bodies would work
+together on issues that intersect the packaging domain and language stewardship
+(including the CPython implementation, standard library, and distribution).
 
 The PSF Board is encouraged to formally deprecate the Packaging Workgroup and
 the Packaging Council would take on the responsibilities of the PSF's Packaging