Fix duplicate project refs

Author: ejsmith

src/Exceptionless.Web/Exceptionless.Web.csproj

@@ -10,8 +10,6 @@
   <ItemGroup>
     <PackageReference Include="Exceptionless.AspNetCore" Version="6.0.4" />
     <PackageReference Include="Joonasw.AspNetCore.SecurityHeaders" Version="5.0.0" />
-    <PackageReference Include="Microsoft.AspNetCore.Mvc.NewtonsoftJson" Version="9.0.0-rc.2.24474.3" />
-    <PackageReference Include="Microsoft.Extensions.Diagnostics.HealthChecks" Version="9.0.0-rc.2.24474.3" />
     <PackageReference Include="Microsoft.AspNetCore.SpaProxy" Version="9.0.0" />
     <PackageReference Include="Microsoft.AspNetCore.Mvc.NewtonsoftJson" Version="9.0.0" />
     <PackageReference Include="Microsoft.Extensions.Diagnostics.HealthChecks" Version="9.0.0" />

tests/Exceptionless.Tests/Exceptionless.Tests.csproj

@@ -9,9 +9,7 @@
 
     <PackageReference Include="FluentRest.NewtonsoftJson" Version="10.0.0" />
 
-    <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="9.0.0-rc.2.24474.3" />
     <PackageReference Include="Aspire.Hosting.Testing" Version="9.0.0" />
-    <PackageReference Include="Microsoft.Extensions.TimeProvider.Testing" Version="9.0.0-preview.9.24507.7" />
     <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="9.0.0" />
     <PackageReference Include="Microsoft.Extensions.TimeProvider.Testing" Version="9.0.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />