remove open collective link

Author: ashuvssut

.github/FUNDING.yml

@@ -1,5 +1,5 @@
 # These are supported funding model platforms
 
 github: stacknide # https://github.com/sponsors/stacknide
-open_collective: fs-prober # https://opencollective.com/fs-prober
+# open_collective: fs-prober # https://opencollective.com/fs-prober
 buy_me_a_coffee: ashuvssut # https://www.buymeacoffee.com/ashuvssut