Remove irrelevant alias

"sports" should not be an alias, but a related topic. Indeed, sports does not only mean sports video games, but also all other fields of sports

Signed-off-by: Moonrise <[email protected]>

Author: PetitPotiron

topics/sports-game/index.md

@@ -1,8 +1,8 @@
 ---
 display_name: sports-game
 topic: sports-game
-aliases: sports
+related: sports
 short_description: A genre of video game.
 wikipedia_url: https://en.wikipedia.org/wiki/Sports_game
 ---
-A video game genre that simulates the practice of sports.
+A video game genre that simulates the practice of sports.