ref(extend-app-start): Drop redundant no-op comments in NoOpAppStartExtender

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

Author: buenaflor

sentry/src/main/java/io/sentry/NoOpAppStartExtender.java

@@ -13,14 +13,10 @@ private NoOpAppStartExtender() {}
   }
 
   @Override
-  public void extendAppStart() {
-    // no-op
-  }
+  public void extendAppStart() {}
 
   @Override
-  public void finishAppStart() {
-    // no-op
-  }
+  public void finishAppStart() {}
 
   @Override
   public @NotNull ISpan getExtendedAppStartSpan() {