Remove Statistics from core

Problem/Motivation

Remove Statistics from core.

Steps to reproduce

Proposed resolution

Remove usage in \Drupal\Tests\migrate_drupal\Kernel\Plugin\migrate\DestinationCategoryTest
Possibly merge this #3416612: [11.x] Remove statistics from htaccess

Remaining tasks

• The change record for this issue should include a link to recommendations page, https://www.drupal.org/node/3223395#s-Book. (For example, the CR for removing HAL)
• Tag this issue 'Needs release note.'
• Remove the extension ;-).
• Remove references from core/phpstan-baseline.neon.
• Remove any spelling words specific to the extension from the dictionary
• Check for references in @todo.
• Handle migration tests.
  • In all the functional tests in migrate_drupal_ui make sure that 'statistics' is not installed. Statistics should also be removed from the methods getAvailablePaths() and moved to getMissingPaths() in the tests using those methods.

Update Wiki page with changes to htaccess

User interface changes

API changes

Data model changes

Release notes snippet

The default <code>.htaccess file has changed to remove support for the statistics module, which has been moved to a contributed module (and now provides its own htaccess protection). Sites should ensure the redundant .htaccess rule is removed from their own copy of the file.