fix: let the platform decide to how login the users

We force users to go to authentication mfe for login/registration and prevent the login behaviour tweaks l
ike having THIRD_PARTY_AUTH_HINT in your site configuration which redirect users to a TPA when they visit /login.

Author: CodeWithEmad

lms/templates/header/navbar-not-authenticated.html

@@ -9,8 +9,6 @@
 from django.conf import settings
 from django.urls import reverse
 from django.utils.translation import gettext as _
-
-from openedx.core.djangoapps.user_authn.toggles import should_redirect_to_authn_microfrontend
 %>
 
 <%
@@ -19,7 +17,6 @@
   allows_login = not settings.FEATURES['DISABLE_LOGIN_BUTTON'] and not combined_login_and_register
   can_discover_courses = settings.FEATURES.get('ENABLE_COURSE_DISCOVERY')
   allow_public_account_creation = static.get_value('ALLOW_PUBLIC_ACCOUNT_CREATION', settings.FEATURES.get('ALLOW_PUBLIC_ACCOUNT_CREATION')) and settings.FEATURES.get('SHOW_REGISTRATION_LINKS', True)
-  should_redirect_to_authn_mfe = should_redirect_to_authn_microfrontend()
 %>
 <nav class="nav-links" aria-label=${_("Supplemental Links")}>
   <div class="main">
@@ -48,25 +45,13 @@
     <div>
       % if allows_login:
         % if allow_public_account_creation and not disable_register_button:
-          % if should_redirect_to_authn_mfe:
-            <div class="mobile-nav-item hidden-mobile nav-item">
-                <a class="register-btn btn" href="${settings.AUTHN_MICROFRONTEND_URL}/register${login_query()}">${_("Register for free")}</a>
-            </div>
-          % else:
-            <div class="mobile-nav-item hidden-mobile nav-item">
-                <a class="register-btn btn" href="/register${login_query()}">${_("Register for free")}</a>
-            </div>
-          % endif
-        % endif
-        % if should_redirect_to_authn_mfe:
-          <div class="mobile-nav-item hidden-mobile nav-item">
-              <a class="sign-in-btn btn" href="${settings.AUTHN_MICROFRONTEND_URL}/login${login_query()}">${_("Sign in")}</a>
-          </div>
-        % else:
           <div class="mobile-nav-item hidden-mobile nav-item">
-              <a class="sign-in-btn btn" href="/login${login_query()}">${_("Sign in")}</a>
+              <a class="register-btn btn" href="/register${login_query()}">${_("Register for free")}</a>
           </div>
         % endif
+        <div class="mobile-nav-item hidden-mobile nav-item">
+            <a class="sign-in-btn btn" href="/login${login_query()}">${_("Sign in")}</a>
+        </div>
       % endif
     </div>
   </div>