Remove UnsupportedPlatforms parameter from RSA and X509 tests.

The tests are in a known state now (not crashing, and all failures appropriately attributed), so it's time to enable them.

Author: bartonjs

src/System.Security.Cryptography.RSA/tests/System.Security.Cryptography.RSA.Tests.csproj

@@ -8,8 +8,6 @@
     <OutputType>Library</OutputType>
     <AssemblyName>System.Security.Cryptography.RSA.Tests</AssemblyName>
     <RootNamespace>System.Security.Cryptography.Rsa.Tests</RootNamespace>
-	<!-- Disabled on Linux/OSX (Issue 1986) -->
-	<UnsupportedPlatforms>Linux;OSX</UnsupportedPlatforms>
   </PropertyGroup>
   <ItemGroup>
     <ProjectReference Include="..\src\System.Security.Cryptography.RSA.csproj">

src/System.Security.Cryptography.X509Certificates/tests/System.Security.Cryptography.X509Certificates.Tests.csproj

@@ -9,8 +9,6 @@
     <AssemblyName>System.Security.Cryptography.X509Certificates.Tests</AssemblyName>
     <RootNamespace>System.Security.Cryptography.X509Certificates.Tests</RootNamespace>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <!-- Disabled on Linux/OSX (Issue 1986) -->
-    <UnsupportedPlatforms>Linux;OSX</UnsupportedPlatforms>
   </PropertyGroup>
   <ItemGroup>
     <ProjectReference Include="..\src\System.Security.Cryptography.X509Certificates.csproj">