Remove never-called function _civicrm_api3_deprecated_contact_check_custom_params

CRM/Utils/DeprecatedUtils.php

@@ -1143,47 +1143,6 @@ function _civicrm_api3_deprecated_participant_check_params($params, $checkDuplic
   return TRUE;
 }
 
-/**
- * Ensure that we have the right input parameters for custom data
- *
- * @param array $params
- *   Associative array of property name/value.
- *                                 pairs to insert in new contact.
- * @param string $csType
- *   Contact subtype if exists/passed.
- *
- * @return null
- *   on success, error message otherwise
- */
-function _civicrm_api3_deprecated_contact_check_custom_params($params, $csType = NULL) {
-  empty($csType) ? $onlyParent = TRUE : $onlyParent = FALSE;
-
-  require_once 'CRM/Core/BAO/CustomField.php';
-  $customFields = CRM_Core_BAO_CustomField::getFields($params['contact_type'],
-    FALSE,
-    FALSE,
-    $csType,
-    NULL,
-    $onlyParent,
-    FALSE,
-    FALSE
-  );
-
-  foreach ($params as $key => $value) {
-    if ($customFieldID = CRM_Core_BAO_CustomField::getKeyID($key)) {
-      // check if it's a valid custom field id
-      if (!array_key_exists($customFieldID, $customFields)) {
-
-        $errorMsg = "Invalid Custom Field Contact Type: {$params['contact_type']}";
-        if (!empty($csType)) {
-          $errorMsg .= " or Mismatched SubType: " . implode(', ', (array) $csType);
-        }
-        return civicrm_api3_create_error($errorMsg);
-      }
-    }
-  }
-}
-
 /**
  * @param array $params
  * @param bool $dupeCheck