chore: remove deprecated URL

cotes2020 · cotes2020 · commit e0c9442b2194 · 2025-10-14T04:53:51.000+08:00
diff --git a/.github/FUNDING.yml b/.github/FUNDING.yml
@@ -1,2 +1 @@
 ko_fi: coteschung
-custom: https://sponsor.cotes.page

Original file line number	Diff line number	Diff line change
`@@ -1,2 +1 @@`
`1`	`1`	`ko_fi: coteschung`
`2`		`-custom: https://sponsor.cotes.page`