tc: remove reference of scp_mcp_2_11_0_downloads

Remove the reference to 'scp_mcp_2_11_0_downloads' since it
was specifically utilized for the TC0 platform. Currently,
there are no active test configurations for TC0, as
this platform has been deprecated.

Signed-off-by: Manish V Badarkhe <Manish.Badarkhe@arm.com>
Change-Id: Ifbfcb27c965b73fd344f1207f7dd585fa96a69f7
(cherry picked from commit 2dc3e453edf78d735cc177508db183eba802da9e)
5 files changed