Removed functionality
^^^^^^^^^^^^^^^^^^^^^

.. Note to developers!
   Please use """"""" to underline the individual entries for fixed issues in the subfolders,
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   Also, please use the syntax :issue:`number` to reference issues on GitLab, without
   a space between the colon and number!

Support for Xeon Phi processors is removed
""""""""""""""""""""""""""""""""""""""""""

Remaining support for Knights Landing (KNL) hardware and SIMD
instructions have been removed.

:issue:`4740`

