chore: leave declarations.d.ts untouched

The deprecation note on disableCommandHelpSuggestion said only that nothing references it, which the declaration already shows; the file goes back to its merge-base content.

Author: edusperoni

lib/common/declarations.d.ts

@@ -271,7 +271,6 @@ interface IHttpRequestError extends Error {
 interface ICommandOptions {
 	disableAnalytics?: boolean;
 	enableHooks?: boolean;
-	/** @deprecated Declared here, referenced nowhere. */
 	disableCommandHelpSuggestion?: boolean;
 }