MD Settings: Update spell check section to spec

chrome/browser/resources/settings/languages_page/languages_page.js

Index: chrome/browser/resources/settings/languages_page/languages_page.js
diff --git a/chrome/browser/resources/settings/languages_page/languages_page.js b/chrome/browser/resources/settings/languages_page/languages_page.js
index cd6cfb8c79e5fa28300b7e676df75702be017100..47a531f1e75208afc901294e12fc8d92561ccbfb 100644
--- a/chrome/browser/resources/settings/languages_page/languages_page.js
+++ b/chrome/browser/resources/settings/languages_page/languages_page.js
@@ -151,18 +151,6 @@ Polymer({
   },
 
   /**
-   * Returns the enabled languages which support spell check.
-   * @return {!Array<!LanguageState>}
-   * @private
-   */
-  spellCheckLanguages_: function() {
-    assert(!cr.isMac);
-    return this.languages.enabled.filter(function(languageState) {
-      return languageState.language.supportsSpellcheck;
-    });
-  },
-
-  /**
    * Returns the secondary text for the spell check subsection based on the
    * enabled spell check languages, listing at most 2 languages.
    * @return {string}