[REF] Remove unused variables

CRM/Contact/Form/RelatedContact.php

@@ -97,18 +97,8 @@ class CRM_Contact_Form_RelatedContact extends CRM_Core_Form {
   public function buildQuickForm() {
     $params = [];
     $params['id'] = $params['contact_id'] = $this->_contactId;
-    $contact = CRM_Contact_BAO_Contact::retrieve($params, $this->_defaults);
-
-    $countryID = '';
-    $stateID = '';
-    if (!empty($this->_defaults['address'][1])) {
-      $countryID = CRM_Utils_Array::value('country_id',
-        $this->_defaults['address'][1]
-      );
-      $stateID = CRM_Utils_Array::value('state_province_id',
-        $this->_defaults['address'][1]
-      );
-    }
+    CRM_Contact_BAO_Contact::retrieve($params, $this->_defaults);
+
     $this->buildOnBehalfForm();
 
     $this->assign('contact_type', $this->_contactType);