Revert of [i18n] chromeos login i18n-content to $i18n{}

chrome/browser/resources/chromeos/login/saml_interstitial.html

Index: chrome/browser/resources/chromeos/login/saml_interstitial.html
diff --git a/chrome/browser/resources/chromeos/login/saml_interstitial.html b/chrome/browser/resources/chromeos/login/saml_interstitial.html
index 173763c450cd4d407c7a96d3c49fea3588ef1615..0fc1c268939c3c239018a7865cb4cd9d4568f256 100644
--- a/chrome/browser/resources/chromeos/login/saml_interstitial.html
+++ b/chrome/browser/resources/chromeos/login/saml_interstitial.html
@@ -39,7 +39,8 @@ Events:
   <gaia-card id="samlInterstitialCard" class="fit">
     <div id="samlInterstitialHeader"
         class="header flex vertical layout end-justified start">
-      <h1 class="welcome-message">$i18n{loginWelcomeMessage}</h1>
+      <h1 class="welcome-message" i18n-content="loginWelcomeMessage">
+      </h1>
       <p id="managedBy" class="enterprise-info"
          hidden$="[[!showDomainMessages_]]">
       </p>
@@ -53,8 +54,8 @@ Events:
                        on-submit="onSamlPageNextClicked_"
                        i18n-values="button-text:samlInterstitialNextBtn">
         <gaia-button id="changeAccountLink" type="link"
-            on-tap="onSamlPageChangeAccountClicked_">
-          $i18n{samlInterstitialChangeAccountLink}
+                     on-tap="onSamlPageChangeAccountClicked_"
+                     i18n-content="samlInterstitialChangeAccountLink">
         </gaia-button>
       </gaia-input-form>