add some more auto-discard tags to match wiki description, see https://wiki.openstreetmap.org/wiki/LINZ/Invented_Tags, thanks Frederik for his new TagInfo overview

git-svn-id: https://josm.openstreetmap.de/svn/trunk@19282 0c6e7542-c601-0410-84e7-c038aed88b3b

Author: stoecker

Diff for: src/org/openstreetmap/josm/data/osm/AbstractPrimitive.java

@@ -945,6 +945,13 @@ public static Collection<String> getDiscardableKeys() {
                             "KSJ2:lat",
                             "KSJ2:long",
                             "KSJ2:river_id",
+                            "LINZ:dataset",
+                            "LINZ:layer",
+                            "LINZ:source_version",
+                            "LINZ2OSM:dataset",
+                            "LINZ2OSM:layer",
+                            "linz2osm:objectid",
+                            "LINZ2OSM:source_version",
                             "odbl",
                             "odbl:note",
                             "osmarender:nameDirection",