Remove by key multiplatform-settings-serialization

[blyscuit]

multiplatform-settings-serialization saves value by combining the key parameter with the property name. and not possible to remove the values by sending key and value type.

Add support for, would be really appreciated.

settings.remove(
    serializer: KSerializer<T>,
    key: String
)

Currently I'm using this as a a workaround

    override fun remove(key: String) {
        settings
            .keys
            .filter { it.startsWith(key) }
            .map { settings.remove(it) }
    }

[russhwolf]

This is already being tracked in #81 and there's a draft implementation in #117