TASK: Renove noise from session LoggingAspect
TASK: Renove noise from session LoggingAspect

This cleans up the log messages of the `LoggingAspect` for
`SessionInterface`, to reduce log volume.

Before:
    22-06-21 14:35:46 70133      INFO                           Session: Started session with id ixadt08m586zKtcJmUTZend6ykWvP9fM.
        [array] =>
            packageKey:
            [string] => Neos.Flow
            className:
            [string] => Neos\Flow\Session\Session
            methodName:
            [string] => start

After:
    22-06-21 14:35:46 70133      INFO                           Session: Started session with id ixadt08m586zKtcJmUTZend6ykWvP9fM.

No information is lost: The `Session` prefix to the log message is the class
name and will already be fully qualified if not within `Neos\Flow\Session`,
the package key was hardcoded and the method name is always what the
advice targets.
neos/flow,neos/flow,neos/flow,neos/flow