Remove 5.10.1 specific statement that isn't right for 5.11.0.
=head1 Acknowledgements
-Some of the work in this release was funded by a TPF grant.
-
-Nicholas Clark officially retired from maintenance pumpking duty at the
-end of 2008; however in reality he has put much effort in since then to
-help get 5.10.1 into a fit state to be released, including writing a
-considerable chunk of this perldelta.
+Some of the work in this release was funded by a TPF grant funded by
+Dijkmat BV, The Netherlands.
Steffen Mueller and David Golden in particular helped getting CPAN modules
polished and synchronised with their in-core equivalents.