Remove vavr from SSL API

It is still used internally, but methods does not depend on it. The goal
was to support clean integration with any JVM app, ie. apps using Kotlin
are rather using Arrow or nothing at all.

Issue-ID: DCAEGEN2-1069
Change-Id: I1a9151bacd287d65ca8c84057de2f3c174cf8145
Signed-off-by: Piotr Jaszczyk <piotr.jaszczyk@nokia.com>
13 files changed