#3533565 Migrate destination plugins for legacy upgrade are deprecated

from: \Drupal\migrate\Plugin\migrate\destination\EntityContentComplete
from: \Drupal\shortcut\Plugin\migrate\destination\EntityShortcutSet
from: \Drupal\system\Plugin\migrate\destination\d7\ThemeSettings
from: \Drupal\user\Plugin\migrate\destination\EntityUserRole
from: \Drupal\migrate\Plugin\Derivative\MigrateEntityComplete
from: '\Drupal\block\Plugin\migrate\destination\EntityBlock::import'
from: '\Drupal\comment\Plugin\migrate\destination\EntityComment::import'
from: '\Drupal\search\Plugin\migrate\destination\EntitySearchPage::import'
from: '\Drupal\node\Plugin\migrate\destination\EntityNodeType::import'