revert debug file and mistake of docker file

Author: Qingqing Sun

Microsoft.Azure.IoT.Edge.Module.nuspec

@@ -2,7 +2,7 @@
 <package>
     <metadata>
     <id>Microsoft.Azure.IoT.Edge.Module</id>
-    <version>0.4.0</version>
+    <version>0.7.0</version>
     <title>Azure IoT Edge Module</title>
     <authors>Microsoft</authors>
     <owners>microsoft, nugetazureiotedge</owners>

content/dotnet-template-azure-iot-edge-module/CSharp/Docker/linux-x64/Dockerfile

@@ -6,10 +6,4 @@ WORKDIR /app
 
 COPY $EXE_DIR/ ./
 
-RUN apt-get update
-
-RUN apt-get install -y unzip procps
-
-RUN curl -sSL https://aka.ms/getvsdbgsh | bash /dev/stdin -v latest -l ~/vsdbg
-
 CMD ["dotnet", "SampleModule.dll"]

content/dotnet-template-azure-iot-edge-module/CSharp/Docker/linux-x64/Dockerfile.debug

@@ -10,7 +10,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Azure.Devices.Client" Version="1.6.0-preview-004" />
+    <PackageReference Include="Microsoft.Azure.Devices.Client" Version="1.6.0-preview-003" />
     <PackageReference Include="Microsoft.Extensions.Configuration" Version="2.0.0-preview2-final" />
     <PackageReference Include="Microsoft.Extensions.Configuration.Abstractions" Version="2.0.0-preview2-final" />
     <PackageReference Include="Microsoft.Extensions.Configuration.Binder" Version="2.0.0-preview2-final" />