Remove AphrontRedirectException

Summary: Fixes T3909. Waiting on Facebook to confirm this is unused.

Test Plan: `grep`

Reviewers: btrahan

Reviewed By: btrahan

CC: aran

Maniphest Tasks: T3909

Differential Revision: https://secure.phabricator.com/D7193

src/__phutil_library_map__.php

@@ -74,7 +74,6 @@ phutil_register_library_map(array(
     'AphrontPlainTextResponse' => 'aphront/response/AphrontPlainTextResponse.php',
     'AphrontProgressBarView' => 'view/widget/bars/AphrontProgressBarView.php',
     'AphrontProxyResponse' => 'aphront/response/AphrontProxyResponse.php',
-    'AphrontRedirectException' => 'aphront/exception/AphrontRedirectException.php',
     'AphrontRedirectResponse' => 'aphront/response/AphrontRedirectResponse.php',
     'AphrontReloadResponse' => 'aphront/response/AphrontReloadResponse.php',
     'AphrontRequest' => 'aphront/AphrontRequest.php',
@@ -2180,7 +2179,6 @@ phutil_register_library_map(array(
     'AphrontPlainTextResponse' => 'AphrontResponse',
     'AphrontProgressBarView' => 'AphrontBarView',
     'AphrontProxyResponse' => 'AphrontResponse',
-    'AphrontRedirectException' => 'AphrontException',
     'AphrontRedirectResponse' => 'AphrontResponse',
     'AphrontReloadResponse' => 'AphrontRedirectResponse',
     'AphrontRequestFailureView' => 'AphrontView',

src/aphront/exception/AphrontRedirectException.php

@@ -1,18 +0,0 @@
-<?php
-
-/**
- * TODO: Remove this entirely? We have no callsites.
- */
-final class AphrontRedirectException extends AphrontException {
-
-  private $uri;
-
-  public function __construct($uri) {
-    $this->uri = $uri;
-  }
-
-  public function getURI() {
-    return $this->uri;
-  }
-
-}

webroot/index.php

@@ -83,9 +83,6 @@ try {
       $controller->willProcessRequest($uri_data);
       $response = $controller->processRequest();
     }
-  } catch (AphrontRedirectException $ex) {
-    $response = id(new AphrontRedirectResponse())
-      ->setURI($ex->getURI());
   } catch (Exception $ex) {
     $original_exception = $ex;
     $response = $application->handleException($ex);