Condense wording on inferred action and update translations

These two items on the left menu for tasks are significantly larger than the rest of the items on the list.
By removing the word "another", the left sidebar can be made narrower and it is still clear what these actions do.

app/Locale/ja_JP/translations.php

@@ -179,7 +179,7 @@ return array(
     'Closing a task' => 'タスクを完了',
     'Assign a color to a specific user' => '色をユーザーに割当てる',
     'Position' => '位置',
-    'Duplicate to another project' => '別プロジェクトに複製',
+    'Duplicate to project' => '別プロジェクトに複製',
     'Duplicate' => '複製',
     'Link' => 'リンク',
     'Comment updated successfully.' => 'コメントを更新しました',
@@ -307,7 +307,7 @@ return array(
     'Enable public access' => '公開アクセスを有効にする',
     'Public access disabled' => '公開アクセスは無効化されています',
     'Move the task to another project' => 'タスクを別プロジェクトに移動',
-    'Move to another project' => '別プロジェクトに移動',
+    'Move to project' => '別プロジェクトに移動',
     'Do you really want to duplicate this task?' => 'タスクを複製しますか？',
     'Duplicate a task' => 'タスクの複製',
     'External accounts' => '外部アカウント',