Move bitbucket webhook to an external plugin

app/Locale/pl_PL/translations.php

@@ -578,9 +578,6 @@ return array(
     'You already have one subtask in progress' => 'Masz już zadanie o statusie "w trakcie"',
     'Which parts of the project do you want to duplicate?' => 'Które elementy projektu chcesz zduplikować?',
     // 'Disallow login form' => '',
-    // 'Bitbucket commit received' => '',
-    // 'Bitbucket webhooks' => '',
-    // 'Help on Bitbucket webhooks' => '',
     'Start' => 'Początek',
     'End' => 'Koniec',
     'Task age in days' => 'Wiek zadania w dniach',
@@ -750,19 +747,10 @@ return array(
     // 'User that will receive the email' => '',
     // 'Email subject' => '',
     // 'Date' => '',
-    // 'By @%s on Bitbucket' => '',
-    // 'Bitbucket Issue' => '',
-    // 'Commit made by @%s on Bitbucket' => '',
-    // 'Commit made by @%s on Gitlab' => '',
     // 'Add a comment log when moving the task between columns' => '',
     // 'Move the task to another column when the category is changed' => '',
     'Send a task by email to someone' => 'Wyślij zadanie mailem do kogokolwiek',
     'Reopen a task' => 'Otwórz ponownie zadanie',
-    // 'Bitbucket issue opened' => '',
-    // 'Bitbucket issue closed' => '',
-    // 'Bitbucket issue reopened' => '',
-    // 'Bitbucket issue assignee change' => '',
-    // 'Bitbucket issue comment created' => '',
     'Column change' => 'Zmiana kolumny',
     'Position change' => 'Zmiana pozycji',
     'Swimlane change' => 'Zmiana Swimlane',