[review] removes obsolete bracket in docs

Author: XComp

flink-runtime/src/main/java/org/apache/flink/runtime/scheduler/adaptive/RescaleManager.java

@@ -28,7 +28,7 @@ public interface RescaleManager {
     void onChange();
 
     /**
-     * The interface that can be used by the {@code }RescaleManager} to communicate with the
+     * The interface that can be used by the {@code RescaleManager} to communicate with the
      * underlying system.
      */
     interface Context {