[BUG] Battlescribe Khorne import issue

[haxxxton]

Describe the bug
Importing Battlescribe file for Khorne bloodebound, produces warnings for 'Gorechosen has been removed in AoS v3.0' and 'We couldnt find "The Goretide"'

To Reproduce
Steps to reproduce the behavior:

• Import this Battlescribe Roster for a Khorne Bloodbound army
• When loaded, the warnings will be seen.

Expected behavior
A clear and concise description of what you expected to happen.

• 'The Goretide' should reference 'Goretide' slaughterhost
• Gorechosen should remain a core battalion option

Screenshots
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Additional context
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