Remove unnecessary backup translations.

Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>
(cherry picked from commit c356ea7e9e)

translations/messages/fr.po

@@ -4225,48 +4225,6 @@ msgstr "Débogueur"
 msgid "&Project"
 msgstr "&Projet"
 
-#~ msgid "Alt+A"
-#~ msgstr "Alt+A"
-
-#~ msgid "Alt+O"
-#~ msgstr "Alt+O"
-
-#~ msgid "Alt+G"
-#~ msgstr "Alt+G"
-
-#~ msgid "Alt+U"
-#~ msgstr "Alt+U"
-
-#~ msgid "Alt+M"
-#~ msgstr "Alt+M"
-
-#~ msgid "Alt+N"
-#~ msgstr "Alt+N"
-
-#~ msgid "Alt+Y"
-#~ msgstr "Alt+Y"
-
-#~ msgid "Alt+B"
-#~ msgstr "Alt+B"
-
-#~ msgid "Alt+8"
-#~ msgstr "Alt+8"
-
-#~ msgid "Alt+9"
-#~ msgstr "Alt+9"
-
-#~ msgid "Alt+X"
-#~ msgstr "Alt+X"
-
-#~ msgid "Alt+Z"
-#~ msgstr "Alt+Z"
-
-#~ msgid "Alt+J"
-#~ msgstr "Alt+J"
-
-#~ msgid "Alt+K"
-#~ msgstr "Alt+K"
-
 #~ msgid "Orientation"
 #~ msgstr "Orientation"