refactor: consolidate use of meta project packages

Remaining issue from #1211: Also adapt the projects for Meta packages

Author: vbreuss

src/System.IO.Abstractions.TestingHelpers/System.IO.Abstractions.TestingHelpers.csproj

@@ -1,15 +1,13 @@
 <Project Sdk="Microsoft.NET.Sdk">
-  <PropertyGroup>
-      <AssemblyName>System.IO.Abstractions.TestingHelpers</AssemblyName>
-      <RootNamespace>System.IO.Abstractions.TestingHelpers</RootNamespace>
-      <Description>A set of pre-built mocks to help when testing file system interactions.</Description>
-      <TargetFrameworks>net9.0;net8.0;net6.0;netstandard2.1;netstandard2.0;net472</TargetFrameworks>
-      <PackageIcon>icon_256x256.png</PackageIcon>
-  </PropertyGroup>
-  <ItemGroup>
-    <ProjectReference Include="..\TestableIO.System.IO.Abstractions.TestingHelpers\TestableIO.System.IO.Abstractions.TestingHelpers.csproj" />
-</ItemGroup>
-  <ItemGroup>
-    <None Include="..\..\images\icon_256x256.png" Pack="true" PackagePath="\" />
-  </ItemGroup>
+    
+    <PropertyGroup>
+        <AssemblyName>System.IO.Abstractions.TestingHelpers</AssemblyName>
+        <RootNamespace>System.IO.Abstractions.TestingHelpers</RootNamespace>
+        <Description>A set of pre-built mocks to help when testing file system interactions.</Description>
+    </PropertyGroup>
+    
+    <ItemGroup>
+        <ProjectReference Include="..\TestableIO.System.IO.Abstractions.TestingHelpers\TestableIO.System.IO.Abstractions.TestingHelpers.csproj"/>
+    </ItemGroup>
+    
 </Project>

src/System.IO.Abstractions/System.IO.Abstractions.csproj

@@ -1,16 +1,14 @@
 <Project Sdk="Microsoft.NET.Sdk">
+  
   <PropertyGroup>
     <AssemblyName>System.IO.Abstractions</AssemblyName>
     <RootNamespace>System.IO.Abstractions</RootNamespace>
     <Description>A set of abstractions to help make file system interactions testable.</Description>
-    <TargetFrameworks>net8.0;net6.0;netstandard2.1;netstandard2.0;net472</TargetFrameworks>
-    <PackageIcon>icon_256x256.png</PackageIcon>
   </PropertyGroup>
+  
   <ItemGroup>
     <ProjectReference Include="..\TestableIO.System.IO.Abstractions\TestableIO.System.IO.Abstractions.csproj" />
     <ProjectReference Include="..\TestableIO.System.IO.Abstractions.Wrappers\TestableIO.System.IO.Abstractions.Wrappers.csproj" />
   </ItemGroup>
-  <ItemGroup>
-    <None Include="..\..\images\icon_256x256.png" Pack="true" PackagePath="\" />
-  </ItemGroup>
+  
 </Project>

src/TestableIO.System.IO.Abstractions/TestableIO.System.IO.Abstractions.csproj

@@ -1,21 +1,19 @@
 <Project Sdk="Microsoft.NET.Sdk">
-  <PropertyGroup>
-    <AssemblyName>TestableIO.System.IO.Abstractions</AssemblyName>
-    <RootNamespace>System.IO.Abstractions</RootNamespace>
-    <Description>A set of abstractions to help make file system interactions testable.</Description>
-    <TargetFrameworks>net9.0;net8.0;net6.0;netstandard2.1;netstandard2.0;net472</TargetFrameworks>
-    <PackageIcon>icon_256x256.png</PackageIcon>
-    <Nullable>enable</Nullable>
-    <LangVersion>preview</LangVersion>
-  </PropertyGroup>
-  <ItemGroup>
-    <PackageReference Include="Nullable">
-      <PrivateAssets>all</PrivateAssets>
-      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
-    </PackageReference>
-    <PackageReference Include="Testably.Abstractions.FileSystem.Interface" />
-  </ItemGroup>
-  <ItemGroup>
-    <None Include="..\..\images\icon_256x256.png" Pack="true" PackagePath="\" />
-  </ItemGroup>
+
+    <PropertyGroup>
+        <AssemblyName>TestableIO.System.IO.Abstractions</AssemblyName>
+        <RootNamespace>System.IO.Abstractions</RootNamespace>
+        <Description>A set of abstractions to help make file system interactions testable.</Description>
+        <Nullable>enable</Nullable>
+        <LangVersion>preview</LangVersion>
+    </PropertyGroup>
+  
+    <ItemGroup>
+        <PackageReference Include="Nullable">
+            <PrivateAssets>all</PrivateAssets>
+            <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+        </PackageReference>
+        <PackageReference Include="Testably.Abstractions.FileSystem.Interface"/>
+    </ItemGroup>
+
 </Project>