Cleaning up and implementing api

sample/src/commonMain/kotlin/com/ionspin/kotlin/crypto/sample/Sample.kt

@@ -23,6 +23,6 @@ object Sample {
         blake2bUpdateable.update("test")
         println(blake2bUpdateable.digest().toHexString())
         println("Blake2b stateless")
-        println("Blake2b stateless: ${Crypto.Blake2b.stateless("test")}")
+        println("Blake2b stateless: ${Crypto.Blake2b.stateless("test".encodeToByteArray().toUByteArray())}")
     }
 }

sample/src/linuxMain/kotlin/com/ionspin/kotlin/crypto/sample/Runner.kt

@@ -1,8 +1,5 @@
-import com.ionspin.kotlin.crypto.hash.blake2b.Blake2bDelegated
-import com.ionspin.kotlin.crypto.hash.blake2b.Blake2bStateless
 import com.ionspin.kotlin.crypto.sample.Sample
 import kotlin.time.ExperimentalTime
-import kotlin.time.measureTime
 
 @ExperimentalTime