treewide: delete cloud/ except cloud/agent

bmdb is no longer used in production and would be hard to maintain. The only non-stub provider is Equinix Metal, which is shutting down in 2026, and we are moving away from CockroachDB. Keep the agent, which we'll need for Monogon Cloud.

Change-Id: If8b35c3ac8cdeed96a2b1814c0de7607e8acec63
Reviewed-on: https://review.monogon.dev/c/monogon/+/4235
Tested-by: Jenkins CI
Reviewed-by: Leopold Schabel <leo@monogon.tech>
diff --git a/build/bazel/third_party.MODULE.bazel b/build/bazel/third_party.MODULE.bazel
index ebdd2fd..d218d2f 100644
--- a/build/bazel/third_party.MODULE.bazel
+++ b/build/bazel/third_party.MODULE.bazel
@@ -78,25 +78,10 @@
     ],
 )
 
-# CockroachDB binary used for tests.
-#
-# WARNING: Not distributed under an OSI certified license. Must only be used in
-# tests, not be redistributed!
+# CockroachDB repository used for linter passes.
 COCKROACH_VERSION = "22.1.6"
 
 http_archive(
-    name = "cockroach",
-    build_file = "//third_party/cockroach:cockroach.bzl",
-    integrity = "sha256-CCHP9XcEAPuUyLbCqzONlvQRT78rMga8im3PYvnA9Oo=",
-    strip_prefix = "cockroach-v%s.linux-amd64" % COCKROACH_VERSION,
-    urls = [
-        # TODO: select() to pick other host architectures.
-        "https://binaries.cockroachdb.com/cockroach-v%s.linux-amd64.tgz" % COCKROACH_VERSION,
-    ],
-)
-
-# CockroachDB repository used for linter passes.
-http_archive(
     name = "com_github_cockroachdb_cockroach",
     integrity = "sha256-bDVo7yRM5rh0aU7u7Lg+1PXV3/bPA3yVLs3naCimxQI=",
     strip_prefix = "cockroach-" + COCKROACH_VERSION,