Remove unused files from .Net examples (#1051)

Author: csukuangfj

.github/workflows/test-dot-net.yaml

@@ -135,15 +135,6 @@ jobs:
         shell: bash
         run: |
           cp -v scripts/dotnet/examples/Common.csproj dotnet-examples/Common/
-          cp -v scripts/dotnet/examples/offline-tts.csproj dotnet-examples/offline-tts/
-          cp -v scripts/dotnet/examples/offline-decode-files.csproj dotnet-examples/offline-decode-files/
-          cp -v scripts/dotnet/examples/online-decode-files.csproj dotnet-examples/online-decode-files/
-          cp -v scripts/dotnet/examples/speech-recognition-from-microphone.csproj dotnet-examples/speech-recognition-from-microphone/
-          cp -v scripts/dotnet/examples/spoken-language-identification.csproj dotnet-examples/spoken-language-identification/
-          cp -v scripts/dotnet/examples/streaming-hlg-decoding.csproj dotnet-examples/streaming-hlg-decoding
-          cp -v scripts/dotnet/examples/speaker-identification.csproj dotnet-examples/speaker-identification
-          cp -v scripts/dotnet/examples/offline-punctuation.csproj dotnet-examples/offline-punctuation
-          cp -v scripts/dotnet/examples/vad-non-streaming-asr-paraformer.csproj dotnet-examples/vad-non-streaming-asr-paraformer
 
           ls -lh /tmp
 

dotnet-examples/Common/Common.csproj

@@ -3,7 +3,6 @@
     <PropertyGroup>
         <TargetFramework>net6.0</TargetFramework>
         <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-        <RestoreSources>/tmp/packages;$(RestoreSources);https://api.nuget.org/v3/index.json</RestoreSources>
     </PropertyGroup>
     <ItemGroup>
         <PackageReference Include="CommandLineParser" Version="2.9.1" />

scripts/dotnet/examples/Common.csproj

@@ -2,6 +2,7 @@
 
   <PropertyGroup>
     <TargetFramework>.net6</TargetFramework>
+    <RestoreSources>/tmp/packages;$(RestoreSources);https://api.nuget.org/v3/index.json</RestoreSources>
   </PropertyGroup>
 
   <ItemGroup>