Update _config.yml

Author: jordijoangimenez

_config.yml

@@ -92,11 +92,6 @@ nav_external_links:
     hide_icon: false # set to true to hide the external link icon - defaults to false
     opens_in_new_tab: false # set to true to open this link in a new tab - defaults to false
 
-  - title: 5G-MAG - Requests for Feedback
-    url: https://5g-mag.github.io/Requests-for-Feedback
-    hide_icon: false # set to true to hide the external link icon - defaults to false
-    opens_in_new_tab: false # set to true to open this link in a new tab - defaults to false
-
 # Exclude from processing.
 # The following items will not be processed, by default.
 # Any item listed under the `exclude:` key here will be automatically added to