Removed net472 support

Author: synercoder

src/Directory.Build.props

@@ -2,7 +2,7 @@
 <Project>
 
   <PropertyGroup>
-    <TargetFrameworks>netcoreapp3.1;netcoreapp2.1;net472;netstandard2.1;netstandard2.0;netstandard1.6</TargetFrameworks>
+    <TargetFrameworks>netcoreapp3.1;netcoreapp2.1;netstandard2.1;netstandard2.0;netstandard1.6</TargetFrameworks>
     <MSBuildAllProjects>$(MSBuildAllProjects);$(MSBuildThisFileDirectory)..\Directory.Build.props</MSBuildAllProjects>
     <SynercodingProjectCategory>src</SynercodingProjectCategory>
   </PropertyGroup>

src/Synercoding.Primitives/Synercoding.Primitives.csproj

@@ -7,7 +7,7 @@
 
   <Import Project="$(MSBuildThisFileDirectory)\PackageDetails.props" />
 
-  <ItemGroup Condition="'$(TargetFramework)' == 'net472' Or '$(TargetFramework)' == 'netstandard2.0' Or '$(TargetFramework)' == 'netstandard1.6'">
+  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0' Or '$(TargetFramework)' == 'netstandard1.6'">
     <PackageReference Include="System.Memory " Version="4.5.4" />
   </ItemGroup>
 

tests/Directory.Build.props

@@ -14,7 +14,7 @@
   <Import Project="$(MSBuildThisFileDirectory)..\Directory.Build.props" />
 
   <PropertyGroup>
-    <TargetFrameworks>netcoreapp3.1;netcoreapp2.1;net472</TargetFrameworks>
+    <TargetFrameworks>netcoreapp3.1;netcoreapp2.1</TargetFrameworks>
     <IsPackable>false</IsPackable>
   </PropertyGroup>