Update license headers in C files (apple#693)

## Type of Change
- [x] Bug fix
- [ ] New feature  
- [ ] Breaking change
- [ ] Documentation update

## Motivation and Context
There was a duplicated and outdated license header in some files.

## Testing
- [x] Tested locally
- [ ] Added/updated tests
- [ ] Added/updated docs

Author: dkovba

Sources/CVersion/Version.c

@@ -1,33 +1,18 @@
-/*
- * Copyright © 2025 Apple Inc. and the container project authors. All rights reserved.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *   https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
 //===----------------------------------------------------------------------===//
+// Copyright © 2025 Apple Inc. and the container project authors. All rights reserved.
 //
-// This source file is part of the container open source project
-//
-// Copyright (c) 2025 Apple Inc. and the container project authors
-// Licensed under Apache License v2.0
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
 //
-// See LICENSE.txt for license information
-// See CONTRIBUTORS.md for the list of container project authors
-//
-// SPDX-License-Identifier: Apache-2.0
+//   https://www.apache.org/licenses/LICENSE-2.0
 //
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 //===----------------------------------------------------------------------===//
-//
 
 #include "Version.h"
 

Sources/CVersion/include/Version.h

@@ -1,31 +1,17 @@
-/*
- * Copyright © 2025 Apple Inc. and the container project authors. All rights reserved.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *   https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
 //===----------------------------------------------------------------------===//
+// Copyright © 2025 Apple Inc. and the container project authors. All rights reserved.
 //
-// This source file is part of the container open source project
-//
-// Copyright (c) 2025 Apple Inc. and the container project authors
-// Licensed under Apache License v2.0
-//
-// See LICENSE.txt for license information
-// See CONTRIBUTORS.md for the list of container project authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
 //
-// SPDX-License-Identifier: Apache-2.0
+//   https://www.apache.org/licenses/LICENSE-2.0
 //
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 //===----------------------------------------------------------------------===//
 
 #ifndef CZ_VERSION

Sources/ContainerCommands/Application.swift

@@ -14,8 +14,6 @@
 // limitations under the License.
 //===----------------------------------------------------------------------===//
 
-//
-
 import ArgumentParser
 import ContainerClient
 import ContainerLog

Sources/ContainerCommands/Codable+JSON.swift

@@ -14,8 +14,6 @@
 // limitations under the License.
 //===----------------------------------------------------------------------===//
 
-//
-
 import Foundation
 
 extension [any Codable] {

Sources/ContainerCommands/Container/ProcessUtils.swift

@@ -14,8 +14,6 @@
 // limitations under the License.
 //===----------------------------------------------------------------------===//
 
-//
-
 import ContainerClient
 import Containerization
 import ContainerizationError

Sources/ContainerLog/OSLogHandler.swift

@@ -14,8 +14,6 @@
 // limitations under the License.
 //===----------------------------------------------------------------------===//
 
-//
-
 import Foundation
 import Logging
 import os

Sources/ContainerLog/StderrLogHandler.swift

@@ -14,8 +14,6 @@
 // limitations under the License.
 //===----------------------------------------------------------------------===//
 
-//
-
 import Foundation
 import Logging
 

Sources/ContainerPlugin/Plugin.swift

@@ -14,8 +14,6 @@
 // limitations under the License.
 //===----------------------------------------------------------------------===//
 
-//
-
 import Foundation
 
 /// Value type that contains the plugin configuration, the parsed name of the

Sources/ContainerPlugin/PluginFactory.swift

@@ -14,8 +14,6 @@
 // limitations under the License.
 //===----------------------------------------------------------------------===//
 
-//
-
 import Foundation
 
 private let configFilename: String = "config.json"

Sources/DNSServer/Types.swift

@@ -14,8 +14,6 @@
 // limitations under the License.
 //===----------------------------------------------------------------------===//
 
-//
-
 import DNS
 import Foundation