グカネータ軽量モード廃止 (#370) (#372)

Reviewed-on: http://git.miteruzo.com/miteruzo/btrc-hub/pulls/372
Co-authored-by: miteruzo <miteruzo@naver.com>
Co-committed-by: miteruzo <miteruzo@naver.com>

frontend/src/lib/gekanator.ts

@@ -30,7 +30,7 @@ export type GekanatorQuestionSource =
     | 'ai_generated'
     | 'admin_curated'
 
-export type GekanatorPerformanceMode = 'lite' | 'normal'
+export type GekanatorPerformanceMode = 'normal'
 
 export type GekanatorQuestionCondition =
     | { type: 'tag'; key: string }