Update FUNDING.yml

Author: trekhleb

.github/FUNDING.yml

@@ -1,12 +1,3 @@
-# These are supported funding model platforms
-
-github: trekhleb # Replace with up to 4 GitHub Sponsors-enabled usernames e.g., [user1, user2]
-patreon: # Replace with a single Patreon username
-open_collective: # Replace with a single Open Collective username
-ko_fi: # Replace with a single Ko-fi username
-tidelift: # Replace with a single Tidelift platform-name/package-name e.g., npm/babel
-community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
-liberapay: # Replace with a single Liberapay username
-issuehunt: # Replace with a single IssueHunt username
-otechie: # Replace with a single Otechie username
-custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
+# @see: https://docs.github.com/en/github/administering-a-repository/displaying-a-sponsor-button-in-your-repository
+github: trekhleb
+patreon: trekhleb