[gnome-calculator] Update Ukrainian translation

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

commit 9c7d5cce7a3fd51808d3d9047a18ed235e9d013b
Author: Yuri Chornoivan <yurchor ukr net>
Date:   Mon Jan 11 06:56:48 2021 +0000

    Update Ukrainian translation

 help/uk/uk.po | 19 +++++++------------
 1 file changed, 7 insertions(+), 12 deletions(-)
---
diff --git a/help/uk/uk.po b/help/uk/uk.po
index 786b2d40..bfcaebeb 100644
--- a/help/uk/uk.po
+++ b/help/uk/uk.po
@@ -2,12 +2,12 @@
 # Copyright (C) 2020 gnome-calculator's COPYRIGHT HOLDER
 # This file is distributed under the same license as the gnome-calculator package.
 #
-# Yuri Chornoivan <yurchor ukr net>, 2020.
+# Yuri Chornoivan <yurchor ukr net>, 2020, 2021.
 msgid ""
 msgstr ""
 "Project-Id-Version: gnome-calculator master\n"
-"POT-Creation-Date: 2020-11-30 12:20+0000\n"
-"PO-Revision-Date: 2020-11-30 19:52+0200\n"
+"POT-Creation-Date: 2021-01-10 15:29+0000\n"
+"PO-Revision-Date: 2021-01-11 08:56+0200\n"
 "Last-Translator: Yuri Chornoivan <yurchor ukr net>\n"
 "Language-Team: Ukrainian <trans-uk lists fedoraproject org>\n"
 "Language: uk\n"
@@ -488,10 +488,12 @@ msgstr "(7−3)×2"
 
 #. (itstool) path: page/p
 #: C/equation.page:43
+#| msgid ""
+#| "To clear the display press the <gui>Clr</gui> button or <key>Escape</key>."
 msgid ""
-"To clear the display press the <gui>Clr</gui> button or <key>Escape</key>."
+"To clear the display press the <gui>C</gui> button or <key>Escape</key>."
 msgstr ""
-"Щоб спорожнити дисплей, натисніть кнопку <gui>Clr</gui> або <key>Escape</"
+"Щоб спорожнити дисплей, натисніть кнопку <gui>C</gui> або <key>Escape</"
 "key>."
 
 #. (itstool) path: page/title
@@ -1518,13 +1520,6 @@ msgstr "x³+2x²−5"
 
 #. (itstool) path: page/p
 #: C/superscript.page:29
-#| msgid ""
-#| "To enter superscript numbers with the mouse select the number mode using "
-#| "the the <gui>↑n</gui> and <gui>↓n</gui> buttons (available in the "
-#| "<gui>Advanced Mode</gui> and the <gui>Programming Mode</gui>). When one "
-#| "of these modes is active clicking the number buttons will enter numbers "
-#| "in superscript or subscript. To return to normal number mode click the "
-#| "active number button."
 msgid ""
 "To enter superscript numbers with the mouse select the number mode using the "
 "<gui>↑n</gui> and <gui>↓n</gui> buttons (available in the <gui>Advanced "