Add migration to remove docHistory collection

Co-authored-by: Ilkin Ismailov <ilkin.ismailov@overleaf.com>
GitOrigin-RevId: b9770bf1612dbffef6408b5e5c15890f87696773

tools/migrations/20251023115700_drop_docHistory_collection.mjs

@@ -0,0 +1,17 @@
+import Helpers from './lib/helpers.mjs'
+
+const tags = ['saas']
+
+const migrate = async () => {
+  await Helpers.dropCollection('docHistory')
+}
+
+const rollback = async () => {
+  // Can't really do anything here
+}
+
+export default {
+  tags,
+  migrate,
+  rollback,
+}