Secret: Remove #noaccess with block

src/crypto-secret/secret.cr

@@ -144,8 +144,6 @@ module Crypto::Secret
   abstract def readwrite(& : Bytes -> U) forall U
   # Temporarily marks a region as readonly depending on implementation and yields `Bytes`
   abstract def readonly(& : Bytes -> U) forall U
-  # Temporarily Makes a region inaccessible depending on implementation. It cannot be read or written, but the data are preserved.
-  abstract def noaccess(& : Bytes -> U) forall U
 
   protected abstract def to_slice(& : Bytes -> U) forall U
   abstract def bytesize : Int32

src/crypto-secret/stateless.cr

@@ -46,11 +46,6 @@ module Crypto::Secret::Stateless
     self
   end
 
-  # Not thread safe
-  def noaccess(& : Bytes -> U) forall U
-    yield
-  end
-
   # Not thread safe
   def reset
   end