remove references to niantic variables in their 'nemesis.' object - not available since they introduced minification

code/data_cache.js

@@ -2,7 +2,6 @@
 // cache for map data tiles. 
 
 window.DataCache = function() {
-  // stock site nemesis.dashboard.DataManager.CACHE_EXPIRY_MS_ = 18E4 - 3 minutes
   this.REQUEST_CACHE_FRESH_AGE = 3*60;  // if younger than this, use data in the cache rather than fetching from the server
 
   this.REQUEST_CACHE_MAX_AGE = 15*60;  // maximum cache age. entries are deleted from the cache after this time

code/map_data_request.js

@@ -26,17 +26,9 @@ window.MapDataRequest = function() {
 
   // this many tiles in one request
   this.NUM_TILES_PER_REQUEST = 4;
-  try {
-    // try and use the value from the stock site, if available
-    this.NUM_TILES_PER_REQUEST = nemesis.dashboard.config.TILES_PER_REQUEST_CACHE_EXP || 4;
-  } catch(e) {}
 
   // number of times to retry a tile after an error (including "error: TIMEOUT" now - as stock intel does)
-  this.MAX_TILE_RETRIES = 4;
-  try {
-    // stock has a variable for this - try to use it
-    this.MAX_TILE_RETRIES = nemesis.dashboard.DataManager.MAX_QUADKEY_RETRY_ATTEMPTS_;
-  } catch(e) {}
+  this.MAX_TILE_RETRIES = 5;
 
   // refresh timers
   this.MOVE_REFRESH = 3; //time, after a map move (pan/zoom) before starting the refresh processing