LCL: replace DBNavigator images for "undo" and "delete" with images from Tango, which are public domain. Part of Issue #0029869.

- dbnavcancel: derived from https://commons.wikimedia.org/wiki/File:Edit-undo.svg
- dbnavdelete: derived from https://commons.wikimedia.org/wiki/File:User-trash.svg

git-svn-id: trunk@52015 -

lcl/images/copyright.txt

@@ -11,14 +11,10 @@ Silk icon set http://www.famfamfam.com/lab/icons/silk/ - CC 2.5/3.0 license
 - btncalendar.png
 - btncalculator.png
 
-
-Matte Basic Icons by Momentum http://www.softicons.com/toolbar-icons/matte-basic-icons-by-momentum/trash-can-icon - CC Attribution-Share Alike 3.0 United States
-(not allowed in products for resale including software applications)
-- dbnavdelete.png
-
-
 Tango https://commons.wikimedia.org/wiki/Tango_icons - public domain
 - dialogs/*
+- dbnavcancel.png
+- dbnavdelete.png
 - dbnavrefresh.png
 - dbnavnext.png
 - dbnavlast.png
@@ -51,4 +47,4 @@ Unknown (added by Paul)
 
 
 Unknown (added by Bart)
-- dbnavcancel.png
+