Unnecessary cryptographic derived types obsoletions (#52303)

Unnecessary cryptographic derived types obsoletions (#52303)

* add new obsoletion ID

* nowarn for new obsoletion

* add obsoletions to csproj

* AesCryptoServiceProvider obsoletion

* DESCryptoServiceProvider obsoletion

* MD5CryptoServiceProvider obsoletion

* RC2CryptoServiceProvider obsoletion

* SHA1CryptoServiceProvider obsoletion

* SHA256CryptoServiceProvider obsoletion

* SHA384CryptoServiceProvider obsoletion

* SHA512CryptoServiceProvider obsoletion

* TripleDESCryptoServiceProvider obsoletion

* add obsoletions to csproj

* *Managed obsoletions

* add pragma suppress for types usages

* add nowarn in tests csproj

* add documentation

* add nowarn to new identified tests csproj

* add pragma suppress for types usages #2

* update documentation

* fix md5 usage

* Fix indentation

* fix obsoletions inclusion in csproj

* remove extra obsoletions inclusion in csproj

* De-dupe project items that were in both the browser and non-browser configs. Ensure Obsoletions.cs is included in all configs.

* Remove duplicate RandomNumberGeneratorImplementation.cs reference

* Update documentation

* Remove duplicate Obsoletions.cs from project file (introduced in merge)

Co-authored-by: Jeff Handley <jeffhandley@users.noreply.github.com>
Co-authored-by: Jeff Handley <jeff.handley@microsoft.com>