[repo] Simplify a couple of MSBuild conditions (open-telemetry#2193)

Co-authored-by: joegoldman2 <[email protected]>
Co-authored-by: Mikel Blanchard <[email protected]>

Author: joegoldman2

src/OpenTelemetry.Sampler.AWS/OpenTelemetry.Sampler.AWS.csproj

@@ -17,10 +17,7 @@
   <ItemGroup>
     <PackageReference Include="OpenTelemetry" Version="$(OpenTelemetryCoreLatestVersion)" />
     <PackageReference Include="System.Net.Http" Version="4.3.4" />
-  </ItemGroup>
-
-  <ItemGroup Condition="'$(TargetFramework)' == '$(NetStandardMinimumSupportedVersion)' Or '$(TargetFramework)' == '$(NetFrameworkMinimumSupportedVersion)'">
-    <PackageReference Include="System.Text.Json" Version="6.0.0" />
+    <PackageReference Include="System.Text.Json" Version="6.0.0" Condition="'$(TargetFrameworkIdentifier)' != '.NETCoreApp'" />
   </ItemGroup>
 
   <ItemGroup>

test/OpenTelemetry.Extensions.AWS.Tests/OpenTelemetry.Extensions.AWS.Tests.csproj

@@ -9,7 +9,7 @@
     <ProjectReference Include="$(RepoRoot)\src\OpenTelemetry.Extensions.AWS\OpenTelemetry.Extensions.AWS.csproj" />
   </ItemGroup>
 
-  <ItemGroup Condition="'$(TargetFramework)' != '$(NetFrameworkMinimumSupportedVersion)'">
+  <ItemGroup Condition="'$(TargetFrameworkIdentifier)' == '.NETCoreApp'">
     <FrameworkReference Include="Microsoft.AspNetCore.App" />
   </ItemGroup>