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

entries/battles_of_antargis.md

@@ -3,11 +3,9 @@
 - Home: https://plus.google.com/101003433246259562872
 - Inspiration: Powermonger, Settlers, Warcraft
 - State: beta, inactive since 2014
-- Keyword: strategy
+- Keyword: strategy, real time
 - Code repository: https://github.com/godrin/antargis.git
 - Code language: C, C++
 - Code license: GPL-2.0
 
-A real-time-strategy (RTS) game.
-
 ## Building