new database schema for ciphers and history. dropped old site and folder tables.

src/Sql/dbo/Stored Procedures/Cipher_DeleteById.sql

@@ -0,0 +1,21 @@
+CREATE PROCEDURE [dbo].[Cipher_DeleteById]
+    @Id UNIQUEIDENTIFIER
+AS
+BEGIN
+    BEGIN TRANSACTION Cipher_DeleteById
+
+    UPDATE
+        [dbo].[Cipher]
+    SET
+        [FolderId] = NULL
+    WHERE
+        [FolderId] = @Id
+
+    DELETE
+    FROM
+        [dbo].[Cipher]
+    WHERE
+        [Id] = @Id
+
+    COMMIT TRANSACTION Cipher_DeleteById
+END