Remove option to add Bitbucket integration

Use the Platform.sh add-on for Bitbucket instead

Author: pjcdawkins

src/Command/IntegrationCommand.php

@@ -120,9 +120,9 @@ protected function getOptions()
         return array(
           'type' => array(
             'required' => true,
-            'description' => "The integration type ('bitbucket', 'github', 'hipchat', or 'webhook')",
+            'description' => "The integration type ('github', 'hipchat', or 'webhook')",
             'validator' => function ($value) {
-                return in_array($value, array('bitbucket', 'github', 'hipchat', 'webhook'));
+                return in_array($value, array('github', 'hipchat', 'webhook'));
             },
           ),
           'token' => array(
@@ -131,22 +131,10 @@ protected function getOptions()
             'description' => 'GitHub or HipChat: An OAuth token for the integration',
             'validator' => $tokenValidator,
           ),
-          'consumer_key' => array(
-            'for types' => array('bitbucket'),
-            'required' => true,
-            'description' => 'BitBucket: The OAuth consumer key',
-            'validator' => $tokenValidator,
-          ),
-          'consumer_secret' => array(
-            'for types' => array('bitbucket'),
-            'required' => true,
-            'description' => 'BitBucket: The OAuth consumer secret',
-            'validator' => $tokenValidator,
-          ),
           'repository' => array(
-            'for types' => array('bitbucket', 'github'),
+            'for types' => array('github'),
             'required' => true,
-            'description' => 'GitHub or BitBucket: the repository to track (in the form \'user/repo\')',
+            'description' => 'GitHub: the repository to track (in the form \'user/repo\')',
             'validator' => function ($string) {
                 return substr_count($string, '/', 1) === 1;
             },
@@ -159,10 +147,10 @@ protected function getOptions()
             'options' => $boolOptions,
           ),
           'fetch_branches' => array(
-            'for types' => array('bitbucket', 'github'),
+            'for types' => array('github'),
             'default' => true,
             'normalizer' => $boolNormalizer,
-            'description' => 'GitHub or BitBucket: track branches',
+            'description' => 'GitHub: track branches',
             'options' => $boolOptions,
           ),
           'room' => array(
@@ -212,6 +200,7 @@ protected function formatIntegrationData(Integration $integration)
             $payloadUrl = $integration->hasLink('#hook') ? $integration->getLink('#hook', true) : '[unknown]';
             $output = "Repository: " . $properties['repository']
               . "\nFetch branches: " . ($properties['fetch_branches'] ? 'yes' : 'no')
+              . "\nPrune branches: " . (!empty($properties['prune_branches']) ? 'yes' : 'no')
               . "\nPayload URL: " . $payloadUrl;
         } elseif ($properties['type'] == 'hipchat') {
             $output = "Room ID: " . $properties['room']