descriptions of entries checked and either incorporated to keywords and inspirations or redundancies removed

entries/xjig.md

@@ -2,14 +2,13 @@
 
 - Home: https://packages.debian.org/search?keywords=xjig
 - State: mature
-- Keyword: puzzle, jigsaw, open content
+- Keyword: puzzle, jigsaw, open content, 2D
 - Code repository: @see-debian
 - Code language: C
 - Code license: Custom (attribution, no warranty)
 - Assets license: demo image in Debian: license free
 - Developer: Helmut Hoenig
 
-2D jigsaw puzzle game.
 Written in 1996
 
 ## Building