remove frozen asset upload logic from Gruntfile

Gruntfile.js

@@ -386,7 +386,11 @@ module.exports = function (grunt) {
     'npm-build-static'
   ]);
 
-  var releaseTasks = [
+  /**
+   * `grunt release`
+   * `grunt release --environment=production`
+   */
+  grunt.registerTask('release', [
     'check_release',
     'build-static',
     'npm-build',
@@ -400,19 +404,7 @@ module.exports = function (grunt) {
     's3:unversioned',
     's3:static_pages',
     'invalidate'
-  ];
+  ]);
-
-  // If the editor assets changed since the last tag we have to build & upload them
-  if (EDITOR_ASSETS_CHANGED) {
-    releaseTasks.splice(releaseTasks.indexOf('build-static'), 0, 'build-editor');
-    releaseTasks.splice(releaseTasks.indexOf('s3:js'), 0, 's3:frozen');
-  }
-
-  /**
-   * `grunt release`
-   * `grunt release --environment=production`
-   */
-  grunt.registerTask('release', releaseTasks);
 
   grunt.registerTask('release_editor_assets', 'builds & uploads editor assets', [
     'build-editor',