update footer to reference AI Developer Zone properly (#798)

Author: shurrey

content/microcopy/footer.yml

@@ -148,31 +148,31 @@ categories:
         // text: Text for link to our llms-full.txt file
         text: llms-full.txt
         // url: Link to our llms-full.txt file
-        url: /llms-full.txt/
+        url: /llms-full.txt
 
       guides_llms:
         // text: Text for link to our Guides llms.txt file
         text: Guides llms.txt
         // url: Link to our Guides llms.txt file
-        url: /guides/llms.txt/
+        url: /guides/llms.txt
 
       api_reference_llms:
         // text: Text for link to our API Reference llms.txt file
         text: API Reference llms.txt
         // url: Link to our API Reference llms.txt file
-        url: /reference/llms.txt/
+        url: /reference/llms.txt
 
       platform_llms:
         // text: Text for link to our Platform llms.txt file
         text: Platform llms.txt
         // url: Link to our Platform llms.txt file
-        url: /platform/llms.txt/
+        url: /platform/llms.txt
 
       ai_dev_zone_llms:
         // text: Text for link to our AI Dev Zone llms.txt file
-        text: AI Dev Zone llms.txt
+        text: AI Developer Zone llms.txt
         // url: Link to our AI Developer Zone llms.txt file
-        url: /ai-dev-zone/llms.txt/
+        url: /ai-dev-zone/llms.txt
 
   support:
     // title: |-