[AC-1287] AC Team code ownership moves: Policies (1/2) (#3383)

* note: IPolicyData and EntityFramework Policy.cs are moved without any
  changes to namespace or content in order to preserve git history.

src/Core/Enums/PolicyType.cs

@@ -1,17 +0,0 @@
-namespace Bit.Core.Enums;
-
-public enum PolicyType : byte
-{
-    TwoFactorAuthentication = 0,
-    MasterPassword = 1,
-    PasswordGenerator = 2,
-    SingleOrg = 3,
-    RequireSso = 4,
-    PersonalOwnership = 5,
-    DisableSend = 6,
-    SendOptions = 7,
-    ResetPassword = 8,
-    MaximumVaultTimeout = 9,
-    DisablePersonalVaultExport = 10,
-    ActivateAutofill = 11,
-}