Revert "Add componentHanderConfig to config auto upgrade"

This reverts commit 07bd6fd.

src/mdlComponentHandler.js

@@ -27,12 +27,6 @@
 // Pre-defining the componentHandler interface, for closure documentation and
 // static verification.
 var componentHandler = {
-  /**
-   * Configuration for component handler, such as preventing initial upgrade.
-   *
-   * @type {componentHandler.ComponentHanderConfig}
-   */
-  config: {},
   /**
    * Searches existing DOM for elements of our component type and upgrades them
    * if they have not already been upgraded.
@@ -99,15 +93,6 @@ componentHandler = (function() {
 
   var componentConfigProperty_ = 'mdlComponentConfigInternal_';
 
-  var configInternal = {
-    preventAutoUpgrade: false
-  };
-
-  var globalConfig_ = window.componentHandlerConfig || {};
-  if ('preventAutoUpgrade' in globalConfig_) {
-    configInternal.preventAutoUpgrade = globalConfig_.preventAutoUpgrade;
-  }
-
   /**
    * Searches registered components for a class we are interested in using.
    * Optionally replaces a match with passed object if specified.
@@ -412,10 +397,9 @@ componentHandler = (function() {
     }
   }
 
-  // Now return the functions and members that should be made public with their publicly
+  // Now return the functions that should be made public with their publicly
   // facing names...
   return {
-    config: configInternal,
     upgradeDom: upgradeDomInternal,
     upgradeElement: upgradeElementInternal,
     upgradeElements: upgradeElementsInternal,
@@ -426,16 +410,6 @@ componentHandler = (function() {
   };
 })();
 
-/**
- * Describes the type of the config object for componentHandler.
- * Provided for benefit of the Closure compiler.
- *
- * @typedef {{
- *   preventAutoUpgrade: boolean
- * }}
- */
-componentHandler.ComponentHandlerConfig;  // jshint ignore: line
-
 /**
  * Describes the type of a registered component type managed by
  * componentHandler. Provided for benefit of the Closure compiler.
@@ -479,7 +453,6 @@ componentHandler.Component;  // jshint ignore:line
 
 // Export all symbols, for the benefit of Closure compiler.
 // No effect on uncompiled code.
-componentHandler['config'] = componentHandler.config;
 componentHandler['upgradeDom'] = componentHandler.upgradeDom;
 componentHandler['upgradeElement'] = componentHandler.upgradeElement;
 componentHandler['upgradeElements'] = componentHandler.upgradeElements;
@@ -504,9 +477,7 @@ window.addEventListener('load', function() {
       'querySelector' in document &&
       'addEventListener' in window && Array.prototype.forEach) {
     document.documentElement.classList.add('mdl-js');
-    if (!componentHandler.config.preventAutoUpgrade) {
-      componentHandler.upgradeAllRegistered();
-    }
+    componentHandler.upgradeAllRegistered();
   } else {
     /**
      * Dummy function to avoid JS errors.