ref(issue-details): Fix remaining knip and TypeScript errors

Delete orphaned spec files for removed components and unexport
internal-only functions/types that knip flagged as unused exports.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: chromy

static/app/components/archivedBox.spec.tsx

@@ -27,7 +27,7 @@ import {semverCompare} from 'sentry/utils/versions/semverCompare';
 const MINIFIED_DATA_JAVA_EVENT_REGEX_MATCH =
   /^(([\w$]\.[\w$]{1,2})|([\w$]{2}\.[\w$]\.[\w$]))(\.|$)/g;
 
-export type ActionableItemTypes =
+type ActionableItemTypes =
   | JavascriptProcessingErrors
   | HttpProcessingErrors
   | GenericSchemaErrors

static/app/components/events/interfaces/crashContent/exception/actionableItems.spec.tsx

@@ -33,7 +33,7 @@ const actionableItemsQuery = ({
   ),
 ];
 
-export interface ActionableItemsResponse {
+interface ActionableItemsResponse {
   errors: ActionableItemErrors[];
 }
 
@@ -43,7 +43,7 @@ interface UseActionableItemsProps {
   projectSlug: string;
 }
 
-export function useActionableItems(props?: UseActionableItemsProps) {
+function useActionableItems(props?: UseActionableItemsProps) {
   return useApiQuery<ActionableItemsResponse>(
     props ? actionableItemsQuery(props) : ([''] as unknown as ApiQueryKey),
     {