Revert "new: Delete cache older than 14 days."

This reverts commit 0716d005db.

src/fs.ts

@@ -0,0 +1,12 @@
+import * as core from '@actions/core';
+import * as io from '@actions/io';
+
+export async function rmrf(dir: string) {
+	core.debug(`Deleting ${dir}`);
+
+	try {
+		await io.rmRF(dir);
+	} catch (error: unknown) {
+		core.warning(`Failed to delete ${dir}: ${error}`);
+	}
+}