Remove Octernships from site policy docs (#50641)

Author: guntrip

content/site-policy/privacy-policies/github-octernships-terms-of-service.md

@@ -11,10 +11,10 @@ children:
  - /github-cookies
  - /github-codespaces-privacy-statement
  - /github-candidate-privacy-policy
- - /github-octernships-terms-of-service
 redirect_from:
  - /github/site-policy/github-data-protection-addendum
  - /github/site-policy-deprecated/github-data-protection-addendum
  - /github/site-policy/github-data-protection-agreement-non-enterprise-customers
  - /site-policy/privacy-policies/github-data-protection-agreement
+ - /site-policy/privacy-policies/github-octernships-terms-of-service
 ---