Removing unused variable [skip ci]

Credits to @pandareen, sadly never replied to #3256

Author: diemol

java/server/src/org/openqa/selenium/server/htmlrunner/TestState.java

@@ -30,7 +30,6 @@
 
 class TestState {
   private static Map<String, Object> storedValues = new HashMap<>();
-  private long commandTimeOut = TimeUnit.SECONDS.toMillis(30);
   private long speed = 0;
 
   public void sleepTight() {