Removes Dead code & regenerate code (#7744)

Formats the swift project

Update Sample files

Update docc documentation

Updates swift docs in the website

Updates code for Wasm

tests/swift/Wasm.tests/Sources/Wasm/Wasm.swift

@@ -1 +1,17 @@
+/*
+ * Copyright 2023 Google Inc. 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
+ *
+ *     http://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.
+ */
+
 public struct Wasm {}