patch for bug 239581 from Kaloyan Raev - remove class name validation since it is now validated by super class
diff --git a/jpa/plugins/org.eclipse.jpt.ui/src/org/eclipse/jpt/ui/internal/wizards/entity/data/model/EntityDataModelProvider.java b/jpa/plugins/org.eclipse.jpt.ui/src/org/eclipse/jpt/ui/internal/wizards/entity/data/model/EntityDataModelProvider.java
index 311e158..8be2566 100644
--- a/jpa/plugins/org.eclipse.jpt.ui/src/org/eclipse/jpt/ui/internal/wizards/entity/data/model/EntityDataModelProvider.java
+++ b/jpa/plugins/org.eclipse.jpt.ui/src/org/eclipse/jpt/ui/internal/wizards/entity/data/model/EntityDataModelProvider.java
@@ -114,14 +114,6 @@
 		if (propertyName.equals(SUPERCLASS) && EMPTY_STRING.equals(getStringProperty(propertyName))) {
 			return WTPCommonPlugin.OK_STATUS;
 		}
-		//Should be check existing of the class with the relevant name
-		if (propertyName.equals(CLASS_NAME)) {
-			String classNameValue = getStringProperty(propertyName);
-			result = super.validateJavaClassName(getStringProperty(propertyName));
-			if (result.isOK()){
-				return super.canCreateTypeInClasspath(classNameValue);
-			}
-		}		
 		if (propertyName.equals(XML_NAME)) {
 //			String xmlName = getStringProperty(propertyName);
 //			xmlName = xmlName.substring(xmlName.lastIndexOf(File.separator) + 1);