removed duplicate

Author: piratabrasileiro1

topics/build-engine/index.md

@@ -1,9 +1,8 @@
 ---
 display_name: Build Engine
 short_description: The Build Engine is game engine created by Ken Silverman, best known for powering Duke Nukem 3D.
-aliases: build1, build2, duke-nukem-engine, con-script, con-files
+aliases: build1,build2,duke-nukem-3d-engine,con-script,con-files
 wikipedia_url: https://en.wikipedia.org/wiki/Build_(game_engine)
-related: duke-nukem,blood,shadow-warrior 
+related: duke-nukem,blood,shadow-warrior
 topic: build-engine
 ---
-The Build Engine is a 2.5D game engine created by Ken Silverman, best known for powering Duke Nukem 3D and several other shooters from 1990.

topics/serious-engine/index.md

@@ -2,8 +2,7 @@
 display_name: Serious Engine
 aliases: croteam-engine,serious-editor,serious-sam-engine
 short_description: Serious Engine is a game engine created by croteam for serious sam games.
-topic: serious-engine
-related: serious-sam
+related: serious-sam,the-talos-principle
 topic: serious-engine
 ---
 Serious Engine is a 2001 game engine created by croteam and published by devolver digital used for serious sam games.

topics/southpaw-engine/index.md

@@ -1,7 +1,6 @@
 ---
 display_name: Southpaw Engine
 short_description: The southpaw is a game engine created by torus games.
-wikipedia_url: https://en.wikipedia.org/wiki/Build_(game_engine)
 aliases: doom-advance,duke-nukem-advance
 related: doom-gba, dukenukem-gba
 topic: southpaw-engine