Update FUNDING.yml

Author: xbubbo

.github/FUNDING.yml

@@ -10,5 +10,4 @@ liberapay: # Replace with a single Liberapay username
 issuehunt: # Replace with a single IssueHunt username
 otechie: # Replace with a single Otechie username
 lfx_crowdfunding: # Replace with a single LFX Crowdfunding project-name e.g., cloud-foundry
-cashapp: akabubbo
 custom: https://cash.app/$akabubbo