[gtranslator] Update Polish translation

[Piotr Drąg <piotrdrag src gnome org>]

commit 5a822d3d7ce551482354dff4085701c9ff3647b9
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Thu Dec 13 19:46:35 2018 +0100

    Update Polish translation

 po/pl.po | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)
---
diff --git a/po/pl.po b/po/pl.po
index b57f8aa7..62266e33 100644
--- a/po/pl.po
+++ b/po/pl.po
@@ -11,8 +11,8 @@ msgid ""
 msgstr ""
 "Project-Id-Version: gtranslator\n"
 "Report-Msgid-Bugs-To: https://gitlab.gnome.org/GNOME/gtranslator/issues\n";
-"POT-Creation-Date: 2018-11-30 12:11+0000\n"
-"PO-Revision-Date: 2018-12-01 15:42+0100\n"
+"POT-Creation-Date: 2018-12-12 21:42+0000\n"
+"PO-Revision-Date: 2018-12-13 19:45+0100\n"
 "Last-Translator: Piotr Drąg <piotrdrag gmail com>\n"
 "Language-Team: Polish <community-poland mozilla org>\n"
 "Language: pl\n"
@@ -711,13 +711,9 @@ msgid "_Help"
 msgstr "Pomo_c"
 
 #: src/gtranslator-menu.ui:24
-msgid "_About"
+msgid "_About GNOME Translation Editor"
 msgstr "_O programie"
 
-#: src/gtranslator-menu.ui:30
-msgid "_Quit"
-msgstr "Za_kończ"
-
 #: src/gtr-assistant.c:128
 #, c-format
 msgid ""