reverting the chnages sent in MAYN-131, final solution will be submitted in a separate PR

lms/templates/register-shib.html

@@ -99,7 +99,7 @@ import calendar
 
       <!-- status messages -->
       <div role="alert" class="status message">
-        <h3 class="message-title">${_("We're sorry, but this version of your browser is not supported. Try again using a different browser or a newer version of your browser.")}</h3>
+        <h3 class="message-title">${_("We're sorry, {platform_name} enrollment is not available in your region").format(platform_name=settings.PLATFORM_NAME)}</h3>
       </div>
 
       <div role="alert" class="status message submission-error" tabindex="-1">

lms/templates/register.html

@@ -116,7 +116,7 @@ import calendar
 
       <!-- status messages -->
       <div role="alert" class="status message">
-        <h3 class="message-title">${_("We're sorry, but this version of your browser is not supported. Try again using a different browser or a newer version of your browser.")}</h3>
+        <h3 class="message-title">${_("We're sorry, {platform_name} enrollment is not available in your region").format(platform_name=platform_name)}</h3>
       </div>
 
       <div role="alert" class="status message submission-error" tabindex="-1">

lms/templates/registration/password_reset_confirm.html

@@ -59,8 +59,8 @@
         <!-- status messages -->
         <div role="alert" class="status message">
           <h3 class="message-title">
-              {% blocktrans %}
-                We're sorry, but this version of your browser is not supported. Try again using a different browser or a newer version of your browser.
+            {% blocktrans with platform_name=platform_name %}
+                We're sorry, {{ platform_name }} enrollment is not available in your region
             {% endblocktrans %}
           </h3>
         </div>