[gnome-chess] Update Japanese translation

[Translations User D-L <translations src gnome org>]

commit 7b3e90d03480f2f3106b8b84a8c125971488b215
Author: sicklylife <translation sicklylife jp>
Date:   Sat Aug 22 15:40:02 2020 +0000

    Update Japanese translation

 po/ja.po | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)
---
diff --git a/po/ja.po b/po/ja.po
index 1dadf541..85769246 100644
--- a/po/ja.po
+++ b/po/ja.po
@@ -1,5 +1,5 @@
 # gnome-chess ja.po.
-# Copyright (C) 1998-2020 Free Software Foundation, Inc.
+# Copyright (C) 1998-2010, 2012-2013, 2019-2020 Free Software Foundation, Inc.
 # Yukihiro Nakai <Nakai technologist com>, 1998.
 # Akira Higuchi <a-higuti math sci hokudai ac jp>, 1999.
 # Yuusuke Tahara <tahara gnome gr jp>, 2000.
@@ -17,7 +17,7 @@ msgstr ""
 "Project-Id-Version: gnome-chess\n"
 "Report-Msgid-Bugs-To: https://gitlab.gnome.org/GNOME/gnome-chess/issues\n";
 "POT-Creation-Date: 2020-05-28 23:11+0000\n"
-"PO-Revision-Date: 2020-01-29 21:00+0900\n"
+"PO-Revision-Date: 2020-08-23 00:16+0900\n"
 "Last-Translator: sicklylife <translation sicklylife jp>\n"
 "Language-Team: Japanese <gnome-translation gnome gr jp>\n"
 "Language: ja\n"
@@ -128,11 +128,9 @@ msgid "Quit"
 msgstr "終了する"
 
 #: data/help-overlay.ui:67
-#, fuzzy
-#| msgid "_Open Game"
 msgctxt "shortcut window"
 msgid "Open menu"
-msgstr "ゲームを開く(_O)"
+msgstr "ゲームを開く"
 
 #: data/help-overlay.ui:74
 msgctxt "shortcut window"