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

entries/free_allegiance.md

@@ -4,13 +4,11 @@
 - Media: https://en.wikipedia.org/wiki/Allegiance_(video_game)#Community_continuation
 - Inspiration: Allegiance
 - State: mature
-- Keyword: remake
+- Keyword: remake, strategy
 - Code repository: https://github.com/FreeAllegiance/Allegiance.git
 - Code language: C++
 - Code license: MIT
 
-Remake of Allegiance.
-
 ## Building
 
 - Build system: CMake