Don't fail when Endpoint is None, since that is an allowed value …

…now.

wg_meshconf/database_manager.py

@@ -98,7 +98,7 @@ def init(self):
             database = self.read_database()
 
             # check values that cannot be generated automatically
-            for key in ["Address", "Endpoint"]:
+            for key in ["Address"]:
                 for peer in database["peers"]:
                     if database["peers"][peer].get(key) is None:
                         print(f"The value of {key} cannot be automatically generated")