Suppress unnecessary output

Terminal.Gui/Terminal.Gui.csproj

@@ -21,6 +21,7 @@
     <DefineConstants>$(DefineConstants);JETBRAINS_ANNOTATIONS;CONTRACTS_FULL</DefineConstants>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <ImplicitUsings>enable</ImplicitUsings>
+    <NoLogo>True</NoLogo>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <Optimize>True</Optimize>