Remove EnableDsTemplateParams flag (#2821)

Author: korvin89

src/server/components/features/features-list/EnableDsTemplateParams.ts

@@ -78,8 +78,6 @@ export enum Feature {
     EnableCustomDashMargins = 'EnableCustomDashMargins',
     /** Enabled Dash elements auto-focus */
     EnableDashAutoFocus = 'EnableDashAutoFocus',
-    /** Enable using template params in datasets sources */
-    EnableDsTemplateParams = 'EnableDsTemplateParams',
     /** Enable public gallery unit */
     EnablePublicGallery = 'EnablePublicGallery',
     /** Enable new secure parameters behavior */