dbc: remove time-relative comments on multi-region support

Signed-off-by: David Karlsson <35727626+dvdksn@users.noreply.github.com>

Author: dvdksn

content/manuals/build-cloud/_index.md

@@ -47,12 +47,7 @@ cache, and encryption in transit. That means there are no shared processes or
 data between cloud builders.
 
 > [!NOTE]
->
-> Docker Build Cloud is currently only available in the US East region. Users
-> in Europe and Asia may experience increased latency compared to users based
-> in North America.
->
-> Support for multi-region builders is on the roadmap.
+> Docker Build Cloud is only available in the US East region.
 
 ## Get Docker Build Cloud