Update FUNDING.yml

Author: sergix44

.github/FUNDING.yml

@@ -5,4 +5,4 @@ patreon: # Replace with a single Patreon username
 open_collective: # Replace with a single Open Collective username
 ko_fi: #
 tidelift: # Replace with a single Tidelift platform-name/package-name e.g., npm/babel
-custom: http://bit.ly/XBackBonePaypal
+custom: #