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

entries/bstone.md

@@ -1,7 +1,7 @@
 # BStone
 
 - Home: https://bibendovsky.github.io/bstone/
-- Inspiration: Blake Stone: Planet Strike
+- Inspiration: Blake Stone: Planet Strike, Blake Stone: Aliens of Gold
 - State: mature
 - Download: https://github.com/bibendovsky/bstone/releases
 - Platform: Windows
@@ -10,8 +10,6 @@
 - Code language: C++
 - Code license: GPL-2.0
 
-A source port of Blake Stone: Aliens of Gold and Blake Stone: Planet Strike.
-
 ## Building
 
 - Build system: CMake