Update package validation baseline version to 4.0.0 and remove CompatibilitySuppressions.xml (#3589)

Co-authored-by: Keegan Caruso <[email protected]>

Author: keegan-caruso

Directory.Build.props

@@ -9,7 +9,7 @@
     <Version>$(MicrosoftIdentityWebVersion)</Version>
 
     <EnablePackageValidation>true</EnablePackageValidation>
-    <PackageValidationBaselineVersion>3.14.1</PackageValidationBaselineVersion>
+    <PackageValidationBaselineVersion>4.0.0</PackageValidationBaselineVersion>
 
     <BuildDirectory>$(MSBuildThisFileDirectory)/build</BuildDirectory>
     <AssemblyOriginatorKeyFile>$(BuildDirectory)/35MSSharedLib1024.snk</AssemblyOriginatorKeyFile>

src/Microsoft.Identity.Web.AgentIdentities/Microsoft.Identity.Web.AgentIdentities.csproj

@@ -6,8 +6,6 @@
     <Description>Helper methods for Agent identity blueprint to act as the agent identities.</Description>
     <PackageReadmeFile>README.md</PackageReadmeFile>
 
-    <!-- The package is new in 3.10.0.-->
-    <PackageValidationBaselineVersion>3.10.0</PackageValidationBaselineVersion>
     <EnablePackageValidation>true</EnablePackageValidation>
   </PropertyGroup>
 
@@ -30,5 +28,5 @@
     <ProjectReference Include="..\Microsoft.Identity.Web.OidcFIC\Microsoft.Identity.Web.OidcFIC.csproj" />
     <ProjectReference Include="..\Microsoft.Identity.Web.TokenAcquisition\Microsoft.Identity.Web.TokenAcquisition.csproj" />
   </ItemGroup>
-  
+
 </Project>