chore: Remove "Beta" from code completion settings

Description

It's not beta anymore!

Related Issues

n/a

How has this been tested?

Screenshots (if appropriate):

Settings currently look like this (I am removing the "(beta)" part):

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)
• Documentation
• Chore (Related to CI or Packaging to platforms)
• Test gap