remove unused config options at features.appsIntegration.wopiIntegration

[wkloucek]

Description

remove unused config options at features.appsIntegration.wopiIntegration, those haven't been in use since we switch from the cs3org/wopiserver to the oCIS collaboration service.

Related Issue

• Cleanup after replace wopi server by collaboration service #567
• found during implementing values schema #811

Motivation and Context

How Has This Been Tested?

• look at the ocis-office deployment example, it doesn't use those config options
• search in the code, it only appears in the documentation that is generated from the values.yaml

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)
• Technical debt
• Tests only (no source changes)

Checklist:

• Code changes
• Unit tests added
• Acceptance tests added
• Documentation generated (make docs) and committed
• Documentation ticket raised:
• Documentation PR created: