removed unused use statement

Civi/ActionProvider/Action/Generic/RegexReplaceValue.php

@@ -12,7 +12,6 @@ use \Civi\ActionProvider\Parameter\ParameterBagInterface;
 use \Civi\ActionProvider\Parameter\SpecificationBag;
 use \Civi\ActionProvider\Parameter\Specification;
 
-use Civi\FormProcessor\API\Exception;
 use CRM_ActionProvider_ExtensionUtil as E;
 
 /**
@@ -97,4 +96,4 @@ class RegexReplaceValue extends AbstractAction {
     }
     $output->setParameter('value', $value);
   }
-}
\ No newline at end of file
+}