[PRQ#48410] Deletion Request for amazon-corretto-18

MarsSeed [1] filed a deletion request for amazon-corretto-18 [2]: Cleanup of JDK 18 short-term support packages. Amazon Corretto 18 is long EOL: bugfix/security support ended after October 2022. User should migrate to a newer JDK/JRE. [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/amazon-corretto-18/