8301200: Don't scale timeout stress with timeout factor

Backport-of: 6397cb611a95be5ed86b95d039a2c389f4304281

test/hotspot/jtreg/vmTestbase/nsk/share/test/StressOptions.java

@@ -211,12 +211,12 @@ public class StressOptions {
     }
 
     /**
-     * Obtain execution time in seconds adjusted for TIMEOUT_FACTOR.
+     * Obtain execution time in seconds.
      *
      * @return time
      */
     public long getTime() {
-        return Utils.adjustTimeout(time);
+        return time;
     }
 
     /**