Move WithCrt to common source set

Author: lauzadis

aws-crt-kotlin/native/src/aws/sdk/kotlin/crt/WithCrt.kt renamed to aws-crt-kotlin/common/src/aws/sdk/kotlin/crt/WithCrt.kt

@@ -1,7 +1,3 @@
-/*
- * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
- * SPDX-License-Identifier: Apache-2.0
- */
 package aws.sdk.kotlin.crt
 
 /**
@@ -11,4 +7,4 @@ public open class WithCrt {
     init {
         CRT.initRuntime { }
     }
-}
+}