fix: typo (succesfully -> successfully) in termination log

[SAY-5]

What this PR does / why we need it:
Fixes 'succesfully' -> 'successfully' typo in termination log (pkg/aws/core.go).

Which issue(s) this PR fixes:
Fixes #

Special notes for your reviewer:
String/comment-only change, no functional impact.

Release note:

NONE

[gardener-prow]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by:
Once this PR has been reviewed and has the lgtm label, please assign kon-angelo for approval. For more information see the Code Review Process.

The full list of commands accepted by this bot can be found here.

Details

Needs approval from an approver in each of these files:

• OWNERS

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[CLAassistant]

All committers have signed the CLA.

[gardener-prow]

Welcome @SAY-5!

It looks like this is your first PR to gardener/machine-controller-manager-provider-aws 🎉. Please refer to our pull request process documentation to help your PR have a smooth ride to approval.

You will be prompted by a bot to use commands during the review process. Do not be afraid to follow the prompts! It is okay to experiment. Here is the bot commands documentation.

You can also check if gardener/machine-controller-manager-provider-aws has its own contribution guidelines.

Thank you, and welcome to Gardener. 😃