Remove obsolete comment about static method in TweaksModule

The removed comment questioned making a method non-static, which is already resolved or irrelevant. This cleanup improves code readability and eliminates confusion.

src/main/java/eu/m724/tweaks/module/TweaksModule.java

@@ -34,7 +34,6 @@ public abstract class TweaksModule {
         DebugLogger.fine("Initialized %s in %d µs", name, (end - start) / 1000);
     }
 
-    // TODO not static maybe?
     protected TweaksPlugin getPlugin() {
         return TweaksPlugin.getInstance();
     }