removing blank lines and adding newline at the end of files

plugins/dbms/db2/enumeration.py

@@ -14,9 +14,9 @@ from plugins.generic.enumeration import Enumeration as GenericEnumeration
 class Enumeration(GenericEnumeration):
     def __init__(self):
         GenericEnumeration.__init__(self)        
-    
+
     def getPasswordHashes(self):
         warnMsg = "on DB2 it is not possible to list password hashes"
         logger.warn(warnMsg)
 
-        return {}
+        return {}