#2217931 .module and .profile files are no longer required; ModuleHandler::getModuleList() now returns Extension objects

to:
  fqn: '\Drupal\Core\Extension\ModuleHandler::getModuleList'
to:
  fqn: '\Drupal\Core\Extension\ModuleHandler::setModuleList'
to:
  fqn: '\Drupal\Core\Extension\Extension::getPath'
to:
  fqn: '\Drupal\Core\Extension\Extension::getPathname'
to:
  fqn: '\Drupal\Core\Extension\Extension::getExtensionPathname'
to:
  fqn: '\Drupal\Core\Extension\Extension::getExtensionFilename'