Revert "clear localstore on version modification"

This reverts commit 5eb10e67ad.

Gruntfile.js

@@ -113,7 +113,6 @@
       // Set assets url for static assets in our app
       var config = grunt.template.process("cdb.config.set('assets_url', '<%= env.http_path_prefix %>/assets/<%= pkg.version %>');");
       config += grunt.template.process("\nconsole.log('cartodbui v<%= pkg.version %> sha1: <%= gitrev %>');");
-      config += grunt.template.process("\nCARTODB_UI_VERSION='<%= pkg.version %>';");
       grunt.file.write("lib/build/app_config.js", config);
     });
 

lib/assets/javascripts/cartodb/app.js

@@ -95,17 +95,6 @@ cdb.config.prefixUrlPathname = function() {
       throw new Error("cachedSync needs a namespace as argument");
     }
 
-    // check for free space
-    try {
-      localStorage.setItem("WRITE_TEST", CARTODB_UI_VERSION);
-      if (CARTODB_UI_VERSION !== localStorage.getItem("WRITE_TEST")) {
-        throw new Error("failed");
-      }
-    } catch (e) {
-      cdb.log.debug("datastore is full, not using cached sync");
-      return Backbone.sync;
-    }
-
     var surrogateKey = namespace;
     var session = window.user_data && window.user_data.username;
     // no user session, no cache
@@ -284,16 +273,3 @@ function applyPatchNewVisualizationUrl() {
 }
 
 
-// clears localstore if the cartodb frontend version has changed
-function clearLocalstore() {
-   if (CARTODB_UI_VERSION !== localStorage.getItem("CARTODB_UI_VERSION")) {
-     localStorage.clear();
-     localStorage.setItem("CARTODB_UI_VERSION", CARTODB_UI_VERSION);
-   }
-}
-
-$(function() {
-  clearLocalstore();
-});
-
-