chore: remove paypal link

Author: darkterminal

.github/FUNDING.yml

@@ -10,4 +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
-custom: "https://saweria.co/darkterminal" # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
+custom: https://saweria.co/darkterminal # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']