Fix misuse of @availability

Sources/CryptoSwift/Array+Extension.swift

@@ -76,7 +76,7 @@ extension Array where Element == UInt8 {
 
 extension Array where Element == UInt8 {
     /// split in chunks with given chunk size
-    @available(*, deprecated: 0.8.0, message: "")
+    @available(*, deprecated)
     public func chunks(size chunksize: Int) -> Array<Array<Element>> {
         var words = Array<Array<Element>>()
         words.reserveCapacity(count / chunksize)

Sources/CryptoSwift/Digest.swift

@@ -13,7 +13,7 @@
 //  - This notice may not be removed or altered from any source or binary distribution.
 //
 
-@available(*, deprecated: 0.6.0, renamed: "Digest")
+@available(*, renamed: "Digest")
 public typealias Hash = Digest
 
 /// Hash functions to calculate Digest.