remove volatile

Signed-off-by: christian.lutnik <[email protected]>

Author: chrfwow

src/main/java/dev/openfeature/sdk/Awaitable.java

@@ -10,7 +10,7 @@ public class Awaitable {
      */
     public static final Awaitable FINISHED = new Awaitable(true);
 
-    private volatile boolean isDone = false;
+    private boolean isDone = false;
 
     public Awaitable() {}