Remove unused imports

Removes import statements for the Stratigility request/response
decorators, as they are no longer used.

Author: weierophinney

src/TemplatedErrorHandler.php

@@ -9,7 +9,6 @@
 
 use Psr\Http\Message\RequestInterface as Request;
 use Psr\Http\Message\ResponseInterface as Response;
-use Zend\Stratigility\Http\Response as StratigilityResponse;
 use Zend\Stratigility\Utils;
 
 /**

src/WhoopsErrorHandler.php

@@ -11,7 +11,6 @@
 use Psr\Http\Message\ResponseInterface as Response;
 use Whoops\Handler\PrettyPageHandler;
 use Whoops\Run as Whoops;
-use Zend\Stratigility\Http\Request as StratigilityRequest;
 
 /**
  * Final handler with templated page capabilities plus Whoops exception reporting.