Update AutoRest C# version to 3.0.0-beta.20240715.1 (Azure#45020)

* Update Generator Version 3.0.0-beta.20240715.1

* Update SDK codes co_de_1

* remove unused configuration.json and tspCodeModel.json

---------

Co-authored-by: FAREAST\chunyu <chunyu@microsoft.com>

eng/Packages.Data.props

@@ -226,7 +226,7 @@
     All should have PrivateAssets="All" set so they don't become package dependencies
   -->
   <ItemGroup>
-    <PackageReference Update="Microsoft.Azure.AutoRest.CSharp" Version="3.0.0-beta.20240711.1" PrivateAssets="All" />
+    <PackageReference Update="Microsoft.Azure.AutoRest.CSharp" Version="3.0.0-beta.20240715.1" PrivateAssets="All" />
     <PackageReference Update="Azure.ClientSdk.Analyzers" Version="0.1.1-dev.20240429.1" PrivateAssets="All" />
     <PackageReference Update="coverlet.collector" Version="3.2.0" PrivateAssets="All" />
     <PackageReference Update="Microsoft.CodeAnalysis.NetAnalyzers" Version="8.0.0" PrivateAssets="All" />

eng/emitter-package.json

@@ -1,7 +1,7 @@
 {
   "main": "dist/src/index.js",
   "dependencies": {
-    "@azure-tools/typespec-csharp": "0.2.0-beta.20240711.1"
+    "@azure-tools/typespec-csharp": "0.2.0-beta.20240715.1"
   },
   "devDependencies": {
     "@azure-tools/typespec-autorest": "0.43.0",

sdk/communication/Azure.Communication.Messages/src/Generated/Configuration.json → sdk/communication/Azure.Communication.Messages/Configuration.json

@@ -2,11 +2,11 @@
   "output-folder": ".",
   "namespace": "Azure.Communication.Messages",
   "library-name": "Azure.Communication.Messages",
+  "model-namespace": false,
+  "flavor": "azure",
+  "use-model-reader-writer": true,
   "shared-source-folders": [
     "../../TempTypeSpecFiles/Communication.Messages/node_modules/@autorest/csharp/Generator.Shared",
     "../../TempTypeSpecFiles/Communication.Messages/node_modules/@autorest/csharp/Azure.Core.Shared"
-  ],
-  "model-namespace": false,
-  "flavor": "azure",
-  "use-model-reader-writer": true
+  ]
 }