Revert "[REM-3121] Handle GotFrameBufferUpdate on its own thread to prevent freeze"

Description

Related Issue

Motivation and Context

How Has This Been Tested?

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.

merged

mentioned in commit d7765cff

mentioned in merge request !2623 (merged)