Fix 'Trailing space(s)' issue in ITmmunity\src\main\java\com\brainer\itmmunity\MainList.kt

[CodeFactor](https://www.codefactor.io/repository/github/brainer3220/itmmunity) found an issue: Trailing space(s)

It's currently on:
[ITmmunity\src\main\java\com\brainer\itmmunity\MainList.kt:30](https://www.codefactor.io/repository/github/brainer3220/itmmunity/source/master/ITmmunity/src/main/java/com/brainer/itmmunity/MainList.kt#L30)