Remove unnecessary serialVersionUID

Change-Id: I9894b0f252ecfb644c3092be61b044cc3a84098c

Author: ChristophEichhorn

cf-java-logging-support-log4j2/src/main/java/com/sap/hcp/cf/log4j2/layout/JsonPatternLayout.java

@@ -21,8 +21,6 @@
 @Plugin(name = "JsonPatternLayout", category = "Core", elementType = "Layout", printObject = true)
 public final class JsonPatternLayout extends AbstractStringLayout {
 
-    private static final long serialVersionUID = 1L;
-
     private final PatternSelector markerSelector;
     private final PatternSelector execptionSelector;