fix cargo keywords

Author: Calcoph

Cargo.toml

@@ -4,7 +4,7 @@ version = "0.1.0"
 edition = "2021"
 description = "Gamepad navigation support for imgui"
 license = "MIT/Apache-2.0"
-keywords = ["gilrs", "imgui", "gamepad", "game controller"]
+keywords = ["gilrs", "imgui", "gamepad"]
 readme = "README.md"
 homepage = "https://github.com/Calcoph/imgui-gilrs"
 repository = "https://github.com/Calcoph/imgui-gilrs"