Maintenance: Remove a stale sponsor URL (#1351)

SpinUp has ceased operations. Their URL is used by an unrelated entity.

diff --git a/SPONSORS.list b/SPONSORS.list
index 2c691dcfec9ef05baec3d3d5766262acb7ece0c3..c45bf5537db92311b6870edf4fc1a8d2f4f94e11 100644 (file)
--- a/SPONSORS.list
+++ b/SPONSORS.list
@@ -13,7 +13,7 @@ DigitalOcean - https://www.digitalocean.com/
        DigitalOcean has donated droplets from their cloud infrastructure
        to host most of Squid Project's continuous integration farm.
 
-SpinUp - https://SpinUp.com
+SpinUp
 
        SpinUp has donated cloud resources to host our main website, wiki
        and mailing lists.