Do not add basename to tilejson and remove sensitive properties (see #69)

src/serve_data.js

@@ -41,8 +41,8 @@ module.exports = function(options, repo, params, id, styles) {
       Object.assign(tileJSON, info);
 
       tileJSON['tilejson'] = '2.0.0';
-      tileJSON['basename'] = id;
-      tileJSON['filesize'] = mbtilesFileStats['size'];
+      delete tileJSON['filesize'];
+      delete tileJSON['mtime'];
       delete tileJSON['scheme'];
 
       Object.assign(tileJSON, params.tilejson || {});

src/serve_rendered.js

@@ -175,7 +175,6 @@ module.exports = function(options, repo, params, id, dataResolver) {
     'tilejson': '2.0.0',
     'name': styleJSON.name,
     'attribution': '',
-    'basename': id,
     'minzoom': 0,
     'maxzoom': 20,
     'bounds': [-180, -85.0511, 180, 85.0511],
@@ -223,7 +222,6 @@ module.exports = function(options, repo, params, id, dataResolver) {
             var type = source.type;
             Object.assign(source, info);
             source.type = type;
-            source.basename = name;
             source.tiles = [
               // meta url which will be detected when requested
               'mbtiles://' + name + '/{z}/{x}/{y}.' + (info.format || 'pbf')