Fix API compat tool issue (#3546)

Author: jmprieur

src/Microsoft.Identity.Web.Certificate/CompatibilitySuppressions.xml

@@ -1,18 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- https://learn.microsoft.com/dotnet/fundamentals/package-validation/diagnostic-ids -->
 <Suppressions xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
-  <Suppression>
-    <DiagnosticId>CP0008</DiagnosticId>
-    <Target>T:Microsoft.Identity.Web.CertificateSource</Target>
-    <Left>lib/net6.0/Microsoft.Identity.Web.Certificate.dll</Left>
-    <Right>lib/netstandard2.0/Microsoft.Identity.Web.Certificate.dll</Right>
-    <IsBaselineSuppression>true</IsBaselineSuppression>
-  </Suppression>
-  <Suppression>
-    <DiagnosticId>CP0008</DiagnosticId>
-    <Target>T:Microsoft.Identity.Web.CertificateSource</Target>
-    <Left>lib/net7.0/Microsoft.Identity.Web.Certificate.dll</Left>
-    <Right>lib/netstandard2.0/Microsoft.Identity.Web.Certificate.dll</Right>
-    <IsBaselineSuppression>true</IsBaselineSuppression>
-  </Suppression>
 </Suppressions>