Remove unneeded tier badge

Remove repeated Premium tier badge.

doc/administration/reference_architectures/10k_users.md

@@ -2313,7 +2313,7 @@ in the future.
   </a>
 </div>
 
-## Configure Advanced Search **(PREMIUM SELF)**
+## Configure Advanced Search
 
 You can leverage Elasticsearch and [enable Advanced Search](../../integration/elasticsearch.md)
 for faster, more advanced code search across your entire GitLab instance.

doc/administration/reference_architectures/25k_users.md

@@ -2317,7 +2317,7 @@ in the future.
   </a>
 </div>
 
-## Configure Advanced Search **(PREMIUM SELF)**
+## Configure Advanced Search
 
 You can leverage Elasticsearch and [enable Advanced Search](../../integration/elasticsearch.md)
 for faster, more advanced code search across your entire GitLab instance.

doc/administration/reference_architectures/3k_users.md

@@ -1997,7 +1997,7 @@ in the future.
   </a>
 </div>
 
-## Configure Advanced Search **(PREMIUM SELF)**
+## Configure Advanced Search
 
 You can leverage Elasticsearch and [enable Advanced Search](../../integration/elasticsearch.md)
 for faster, more advanced code search across your entire GitLab instance.

doc/administration/reference_architectures/50k_users.md

@@ -2331,7 +2331,7 @@ in the future.
   </a>
 </div>
 
-## Configure Advanced Search **(PREMIUM SELF)**
+## Configure Advanced Search
 
 You can leverage Elasticsearch and [enable Advanced Search](../../integration/elasticsearch.md)
 for faster, more advanced code search across your entire GitLab instance.

doc/administration/reference_architectures/5k_users.md

@@ -1992,7 +1992,7 @@ in the future.
   </a>
 </div>
 
-## Configure Advanced Search **(PREMIUM SELF)**
+## Configure Advanced Search
 
 You can leverage Elasticsearch and [enable Advanced Search](../../integration/elasticsearch.md)
 for faster, more advanced code search across your entire GitLab instance.