t() calls should be avoided in classes

Problem/Motivation

t() calls should be avoided in classes, use this->t() instead

Proposed resolution

Fix the following coding standards issues and upload the patch or create an MR with fixes.

FILE: \modules\contrib\data8\src\Form\Data8SettingsForm.php
------------------------------------------------------------------------------------------------------------------------------------------
FOUND 0 ERRORS AND 8 WARNINGS AFFECTING 8 LINES
------------------------------------------------------------------------------------------------------------------------------------------
  31 | WARNING | t() calls should be avoided in classes, use \Drupal\Core\StringTranslation\StringTranslationTrait and $this->t() instead
  56 | WARNING | t() calls should be avoided in classes, use \Drupal\Core\StringTranslation\StringTranslationTrait and $this->t() instead
  65 | WARNING | t() calls should be avoided in classes, use \Drupal\Core\StringTranslation\StringTranslationTrait and $this->t() instead
  74 | WARNING | t() calls should be avoided in classes, use \Drupal\Core\StringTranslation\StringTranslationTrait and $this->t() instead
  83 | WARNING | t() calls should be avoided in classes, use \Drupal\Core\StringTranslation\StringTranslationTrait and $this->t() instead
 101 | WARNING | t() calls should be avoided in classes, use \Drupal\Core\StringTranslation\StringTranslationTrait and $this->t() instead
 134 | WARNING | t() calls should be avoided in classes, use \Drupal\Core\StringTranslation\StringTranslationTrait and $this->t() instead
---------------------------------------------------------------------------------------