refactor: remove additional dead exports and unused actions

Remove buildFontUrl, measureText, uncached, invalidateCache, fetchJsonWithFlareSolver, upsertPermission, deletePermission, bulkImportPermissions, clearAllPermissions, bulkDeletePermissions, bulkDeletePhotos, userReplyTicket, closeTicketByUser. Update staff-smoke-contract test for bulkDeletePhotos removal.

src/lib/services/flare-solver.ts

@@ -39,15 +39,3 @@ export async function fetchWithFlareSolver(
 
 	return data.solution.response;
 }
-
-export async function fetchJsonWithFlareSolver<T = unknown>(
-	url: string,
-	timeout = 30000,
-): Promise<T> {
-	const body = await fetchWithFlareSolver(url, timeout);
-	try {
-		return JSON.parse(body) as T;
-	} catch {
-		throw new Error(`flare-solver: could not parse JSON from ${url}`);
-	}
-}