[REF] further removal of unnecessar params

Per @mattwiree digging here civicrm#15841
we don't need to set  vars that are no longer used

CRM/Contribute/BAO/Contribution.php

@@ -4572,14 +4572,6 @@ public static function completeOrder($input, &$ids, $objects, $transaction, $con
       CRM_Contribute_BAO_ContributionRecur::addrecurSoftCredit($objects['contributionRecur']->id, $contribution->id);
     }
 
-    $contributionStatuses = CRM_Core_PseudoConstant::get('CRM_Contribute_DAO_Contribution', 'contribution_status_id', [
-      'labelColumn' => 'name',
-      'flip' => 1,
-    ]);
-    if (isset($input['prevContribution']) && (!$input['prevContribution']->is_pay_later && $input['prevContribution']->contribution_status_id == $contributionStatuses['Pending'])) {
-      $input['payment_processor'] = $paymentProcessorId;
-    }
-
     if (empty($contribution->_relatedObjects['participant']) && !empty($contribution->_relatedObjects['membership'])) {
       // @fixme Can we remove this if altogether? - we removed the participant if / else and left relatedObjects['participant'] to ensure behaviour didn't change but it is probably not required.
       // @todo - use getRelatedMemberships instead