Remove conversion methods that acctually already existed and worked in standard library

multiplatform-crypto-delegated/src/commonTest/kotlin/com/ionspin/kotlin/crypto/DebugTest.kt

@@ -0,0 +1,13 @@
+package com.ionspin.kotlin.crypto
+
+import kotlin.test.Test
+
+/**
+ * Created by Ugljesa Jovanovic
+ * ugljesa.jovanovic@ionspin.com
+ * on 17-Jul-2020
+ */
+class DebugTest {
+
+
+}