Issue #1587642 by TravisCarden: Rename drupal_uninstall_modules() to module_uninstall().

core/includes/install.inc

core/includes/module.inc

...es/locale/lib/Drupal/locale/Tests/LocaleUninstallTest.php

...s/system/lib/Drupal/system/Tests/Module/ModuleApiTest.php

...s/system/lib/Drupal/system/Tests/Module/UninstallTest.php

core/modules/system/system.admin.inc

...taxonomy/lib/Drupal/taxonomy/Tests/VocabularyUnitTest.php