Back out "fbcode/fboss/agent/hw/sai/diag/oss [A]"

Summary:
Original commit changeset: fd447d51c6d0

Original Phabricator Diff: D63801641

Used in OSS. I am working on having Dead Code Bot updated to stop making these types of changes https://fb.workplace.com/groups/dead.code.bot/permalink/1712404122870889/.

Reviewed By: srikrishnagopu

Differential Revision:
D63909635

Privacy Context Container: L1125642

fbshipit-source-id: 708db55929e5a3a0f1c189de9b60909b5cf82371

fboss/agent/hw/sai/diag/oss/DiagShell.cpp

@@ -0,0 +1,19 @@
+/*
+ *  Copyright (c) 2004-present, Facebook, Inc.
+ *  All rights reserved.
+ *
+ *  This source code is licensed under the BSD-style license found in the
+ *  LICENSE file in the root directory of this source tree. An additional grant
+ *  of patent rights can be found in the PATENTS file in the same directory.
+ *
+ */
+#include "fboss/agent/hw/sai/diag/DiagShell.h"
+
+namespace facebook::fboss {
+
+void DiagShell::logToScuba(
+    std::unique_ptr<ClientInformation> /*client*/,
+    const std::string& /*input*/,
+    const std::optional<std::string>& /*result*/) const {}
+
+} // namespace facebook::fboss