Добавление препроцессора для очистки консоли

Example.Backend/Example.Backend.csproj

@@ -10,6 +10,10 @@
         <LangVersion>9</LangVersion>
     </PropertyGroup>
 
+    <PropertyGroup Condition=" '$(Configuration)' == 'Release' ">
+      <DefineConstants />
+    </PropertyGroup>
+
     <ItemGroup>
       <ProjectReference Include="..\Example.Shared\Example.Shared.csproj" />
     </ItemGroup>

Example.Backend/Printer.cs

@@ -1,6 +1,4 @@
 using System;
-using System.Security.Cryptography;
-using System.Text;
 using System.Threading;
 using System.Threading.Tasks;
 using Example.Shared;