refactor: adds removal policies for resource recreation

Author: bencegadanyi1-nhs

packages/cdk/resources/OpenSearchResources.ts

@@ -4,8 +4,6 @@ import {
   VectorCollection,
   VectorCollectionStandbyReplicas
 } from "@cdklabs/generative-ai-cdk-constructs/lib/cdk-lib/opensearchserverless"
-import {RemovalPolicy} from "aws-cdk-lib"
-import {CfnCollection} from "aws-cdk-lib/aws-opensearchserverless"
 
 export interface OpenSearchResourcesProps {
   readonly stackName: string
@@ -29,10 +27,5 @@ export class OpenSearchResources extends Construct {
     // Grant access to the Bedrock execution role
     this.collection.grantDataAccess(props.bedrockExecutionRole)
 
-    const cfnCollection = this.collection.node.defaultChild as CfnCollection
-    if (cfnCollection) {
-      cfnCollection.applyRemovalPolicy(RemovalPolicy.DESTROY)
-    }
-
   }
 }