lima/ci: Remove redundant FDO_HTTP_CACHE_URI

For LAVA, LAVA_HTTP_CACHE_URI is used for the caching proxy.
Adding FDO_HTTP_CACHE_URI can cause find_s3_project_artifact to fail.

Signed-off-by: Valentine Burley <valentine.burley@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/35167>
1 file changed