Remove unused Phortune exceptions

Summary: These classes are no longer used after D10649.

Test Plan: `grep`

Reviewers: #blessed_reviewers, epriestley

Reviewed By: #blessed_reviewers, epriestley

Subscribers: Korvin, epriestley

Differential Revision: https://secure.phabricator.com/D11168

src/__phutil_library_map__.php

@@ -2740,8 +2740,6 @@ phutil_register_library_map(array(
     'PhortuneMerchantTransactionQuery' => 'applications/phortune/query/PhortuneMerchantTransactionQuery.php',
     'PhortuneMerchantViewController' => 'applications/phortune/controller/PhortuneMerchantViewController.php',
     'PhortuneMonthYearExpiryControl' => 'applications/phortune/control/PhortuneMonthYearExpiryControl.php',
-    'PhortuneMultiplePaymentProvidersException' => 'applications/phortune/exception/PhortuneMultiplePaymentProvidersException.php',
-    'PhortuneNoPaymentProviderException' => 'applications/phortune/exception/PhortuneNoPaymentProviderException.php',
     'PhortuneNotImplementedException' => 'applications/phortune/exception/PhortuneNotImplementedException.php',
     'PhortuneOrderTableView' => 'applications/phortune/view/PhortuneOrderTableView.php',
     'PhortunePayPalPaymentProvider' => 'applications/phortune/provider/PhortunePayPalPaymentProvider.php',
@@ -6028,8 +6026,6 @@ phutil_register_library_map(array(
     'PhortuneMerchantTransactionQuery' => 'PhabricatorApplicationTransactionQuery',
     'PhortuneMerchantViewController' => 'PhortuneMerchantController',
     'PhortuneMonthYearExpiryControl' => 'AphrontFormControl',
-    'PhortuneMultiplePaymentProvidersException' => 'Exception',
-    'PhortuneNoPaymentProviderException' => 'Exception',
     'PhortuneNotImplementedException' => 'Exception',
     'PhortuneOrderTableView' => 'AphrontView',
     'PhortunePayPalPaymentProvider' => 'PhortunePaymentProvider',

src/applications/phortune/exception/PhortuneMultiplePaymentProvidersException.php

@@ -1,23 +0,0 @@
-<?php
-
-final class PhortuneMultiplePaymentProvidersException extends Exception {
-
-  public function __construct(PhortunePaymentMethod $method, array $providers) {
-    assert_instances_of($providers, 'PhortunePaymentProvider');
-    $type = $method->getMetadataValue('type');
-
-    $provider_names = array();
-    foreach ($providers as $provider) {
-      $provider_names[] = get_class($provider);
-    }
-
-    return parent::__construct(
-      "More than one payment provider can handle charging payments for this ".
-      "payment method. This is ambiguous and likely indicates that a payment ".
-      "provider is not properly implemented. You may be able to use a ".
-      "different payment method to complete this transaction. The payment ".
-      "method type is '{$type}'. The providers claiming to handle it are: ".
-      implode(', ', $provider_names).'.');
-  }
-
-}

src/applications/phortune/exception/PhortuneNoPaymentProviderException.php

@@ -1,14 +0,0 @@
-<?php
-
-final class PhortuneNoPaymentProviderException extends Exception {
-
-  public function __construct(PhortunePaymentMethod $method) {
-    $type = $method->getMetadataValue('type');
-
-    return parent::__construct(
-      "No available payment provider can handle charging payments for this ".
-      "payment method. You may be able to use a different payment method to ".
-      "complete this transaction. The payment method type is '{$type}'.");
-  }
-
-}