CMS: always show Deprecate button
CMS: always show Deprecate button

Deprecation is now always supported, so always show the Deprecate
button.

au-research/ANDS-ResearchVocabularies-Portal,au-research/ANDS-ResearchVocabularies-Portal,au-research/ANDS-ResearchVocabularies-Portal,au-research/ANDS-ResearchVocabularies-Portal