fix some weird lints

(since we're starting to get maps that actually pass linting, we also
get to find more bugs! yay!)

lib/Properties.hs

@@ -166,7 +166,7 @@ checkTileset = do
   where
     checkTilesetProperty :: Property -> LintWriter Tileset
     checkTilesetProperty p@(Property name _value) = case name of
-      "copyright" -> naiveEscapeProperty p
+      "tilesetCopyright" -> naiveEscapeProperty p
       _           -> warn $ "unknown tileset property " <> prettyprint name
 
     checkTile :: Tile -> LintWriter Tileset
@@ -349,7 +349,6 @@ checkTileLayerProperty p@(Property name _value) = case name of
       unwrapURI (Proxy @"map") p
         (\link -> do
             dependsOn (MapLink link)
-            warn $ "resolved link" <> link
             setProperty "exitUrl" link
         )
         $ \path ->