refactor: Move SimpleCrypt to third_party/

third_party/simplecrypt/CMakeLists.txt

@@ -0,0 +1,17 @@
+# SPDX-FileCopyrightText: Copyright (C) swift Project Community / Contributors
+# SPDX-License-Identifier: GPL-3.0-or-later OR LicenseRef-swift-pilot-client-1
+
+add_library(SimpleCrypt STATIC)
+target_sources(SimpleCrypt
+    PRIVATE
+        simplecrypt.cpp
+        simplecrypt.h
+)
+target_link_libraries(SimpleCrypt
+    PUBLIC
+        Qt::Core
+)
+target_include_directories(SimpleCrypt
+    PUBLIC
+        ${PROJECT_SOURCE_DIR}/third_party
+)