Remove duplicate warnings from two sources of deprecated tags (#1702)

Author: Famlam

mapcss/item_map.py

@@ -241,7 +241,93 @@
                           "{0}={1} is unspecific. Please replace ''{1}'' by a specific value.": 9002007},
                 'item': 9002,
                 'prefix': 'Josm_',
-                'subclass_blacklist': [740601387, 512779280],
+                'subclass_blacklist': [740601387,
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+                                       1463909830,
+                                       1531788430,
+                                       1957125311,
+                                       591931361,
+                                       881828009],
                 'tags': ['tag', 'deprecated'],
                 'url': 'https://josm.openstreetmap.de/browser/josm/trunk/resources/data/validator/deprecated.mapcss?format=txt',
                 'url_display': 'https://josm.openstreetmap.de/browser/josm/trunk/resources/data/validator/deprecated.mapcss'},