DOC: Remove duplicate information about governance

This is a second part of unifying the governance documentation (See also numpy/numpy.org#450)

Closes numpy#17496

Author: melissawm

doc/source/dev/governance/governance.rst

@@ -203,7 +203,7 @@ Council membership
 ~~~~~~~~~~~~~~~~~~
 
 A list of current Steering Council Members is maintained at the
-page :ref:`governance-people`.
+page `About Us <https://numpy.org/about/>`_.
 
 To become eligible to join the Steering Council, an individual must be
 a Project Contributor who has produced contributions that are
@@ -307,7 +307,7 @@ its interactions with NumFOCUS.
    resting on one person.
 
 The current membership of the NumFOCUS Subcommittee is listed at the
-page :ref:`governance-people`.
+page `About Us <https://numpy.org/about/>`_.
 
 
 Institutional Partners and Funding
@@ -375,7 +375,7 @@ Institutional Partner benefits are:
 -  Council Members invited to NumPy Developer Meetings.
 
 A list of current Institutional Partners is maintained at the page
-:ref:`governance-people`.
+`About Us <https://numpy.org/about/>`_.
 
 
 Document history

doc/source/dev/governance/index.rst

@@ -6,4 +6,3 @@ NumPy governance
    :maxdepth: 3
 
    governance
-   people