Resolve: updating to v18 compatibility

[jakubjezek001]

Brief description

Resolve is now supported up to v18

Description

Latest version v18 is supporting Python installation for higher then 3.6. We have been testing it on version 3.9.13. OpenTimelineIO is working without glitch at version 0.15.

Additional info

• removed lot of unused code
• settings were reduced because most of the paths could be moved to pre launch hool

Testing notes:

1. Install BlackMagic Davinci Resolve v18
2. follow instructions form openpype\hosts\resolve\README.markdown for installation of OpenTimelineIO and PySide2
3. Start OpenPype and Launch Resolve from any project it had been assign to.
4. Try Create, Publish, Load, Manager

[ynbot]

Task linked: OP-4216 Conforming from Resolve18

[ynbot]

Task linked: OP-4147 Davinci QT binding not found

[jakubjezek001]

resolve https://github.com/pypeclub/OpenPype/issues/3911