Revert "feat(options): add new options to avoid stale base on comments (#494)" (#507)

This reverts commit 1efddcbe9f.

src/classes/issue.spec.ts

@@ -37,9 +37,6 @@ describe('Issue', (): void => {
       removeStaleWhenUpdated: false,
       removeIssueStaleWhenUpdated: undefined,
       removePrStaleWhenUpdated: undefined,
-      removeStaleWhenCommented: false,
-      removeIssueStaleWhenCommented: undefined,
-      removePrStaleWhenCommented: undefined,
       repoToken: '',
       staleIssueMessage: '',
       stalePrMessage: '',