Fix preprocessor directives in EF Core project to account for net6.0 (#219)

Author: fiseni

Specification.EntityFrameworkCore/src/Ardalis.Specification.EntityFrameworkCore/Ardalis.Specification.EntityFrameworkCore.csproj

@@ -41,7 +41,6 @@
 
   <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
     <PackageReference Include="Microsoft.EntityFrameworkCore" Version="3.1.18" />
-    <PackageReference Include="Microsoft.EntityFrameworkCore.Relational" Version="3.1.18" />
   </ItemGroup>
 
   <ItemGroup>

Specification.EntityFrameworkCore/src/Ardalis.Specification.EntityFrameworkCore/Evaluators/AsNoTrackingWithIdentityResolutionEvaluator.cs

@@ -6,7 +6,7 @@
 
 namespace Ardalis.Specification.EntityFrameworkCore
 {
-#if NETSTANDARD2_1
+#if !NETSTANDARD2_0
     public class AsNoTrackingWithIdentityResolutionEvaluator : IEvaluator
     {
         private AsNoTrackingWithIdentityResolutionEvaluator() { }

Specification.EntityFrameworkCore/src/Ardalis.Specification.EntityFrameworkCore/Evaluators/AsSplitQueryEvaluator.cs

@@ -6,7 +6,7 @@
 
 namespace Ardalis.Specification.EntityFrameworkCore
 {
-#if NETSTANDARD2_1
+#if !NETSTANDARD2_0
     public class AsSplitQueryEvaluator : IEvaluator
     {
         private AsSplitQueryEvaluator() { }

Specification.EntityFrameworkCore/src/Ardalis.Specification.EntityFrameworkCore/Evaluators/SpecificationEvaluator.cs

@@ -31,7 +31,7 @@ public SpecificationEvaluator(bool cacheEnabled = false)
                 PaginationEvaluator.Instance,
                 AsNoTrackingEvaluator.Instance,
                 IgnoreQueryFiltersEvaluator.Instance,
-#if NETSTANDARD2_1
+#if !NETSTANDARD2_0
                 AsSplitQueryEvaluator.Instance,
                 AsNoTrackingWithIdentityResolutionEvaluator.Instance
 #endif