chore: clean csproj

Author: phnx47

src/Prometheus.Client.MetricServer/Prometheus.Client.MetricServer.csproj

@@ -3,7 +3,7 @@
     <Description>MetricServer for the Prometheus.Client</Description>
     <Copyright>2020 © Serge K, Oleksandr Poliakov</Copyright>
     <AssemblyTitle>Prometheus.Client.MetricServer</AssemblyTitle>
-    <VersionPrefix>4.1.0</VersionPrefix>
+    <VersionPrefix>4.0.0</VersionPrefix>
     <Authors>Serge K, Oleksandr Poliakov</Authors>
     <TargetFrameworks>netstandard2.0;netcoreapp2.2;netstandard2.1</TargetFrameworks>
     <LangVersion>latest</LangVersion>
@@ -21,12 +21,14 @@
     <AssemblyOriginatorKeyFile>../../Prometheus.Client.MetricServer.snk</AssemblyOriginatorKeyFile>
   </PropertyGroup>
   <ItemGroup>
-    <None Include="../../icon.png" Pack="true" Visible="false" PackagePath="" />
+    <None Include="../../icon.png">
+      <Pack>true</Pack>
+      <Visible>false</Visible>
+      <PackagePath></PackagePath>
+    </None>
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="Prometheus.Client" Version="4.1.0" />
-  </ItemGroup>
-  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0' OR '$(TargetFramework)' == 'netcoreapp2.2' OR '$(TargetFramework)' == 'netstandard2.1'">
     <PackageReference Include="Microsoft.AspNetCore.Server.Kestrel" Version="2.2.0" />
     <PackageReference Include="Microsoft.AspNetCore.Server.Kestrel.Https" Version="2.2.0" />
   </ItemGroup>