FIX: Invalid locale yaml (#1057)

Author: CvX

config/locales/client.en.yml

@@ -494,7 +494,6 @@ en:
         semantic_search_tooltips:
           results_explanation: "When enabled, additional AI search results will be added below."
           invalid_sort: "Search results must be sorted by Relevance to display AI results"
-        semantic_search_unavailable_tooltip:
         semantic_search_unavailable_tooltip: "Search results must be sorted by Relevance to display AI results"
         ai_generated_result: "Search result found using AI"
         quick_search: