Remove layers mapping

Author: rix0rrr

packages/amplify-graphql-searchable-transformer/src/cdk/create-layer-cfnMapping.ts

@@ -55,7 +55,6 @@ import {
   extendTypeWithDirectives,
   DATASTORE_SYNC_FIELDS,
 } from './definitions';
-import { setMappings } from './cdk/create-layer-cfnMapping';
 import { createSearchableDomain, createSearchableDomainRole } from './cdk/create-searchable-domain';
 import { createSearchableDataSource } from './cdk/create-searchable-datasource';
 import { createEventSourceMapping, createLambda, createLambdaRole } from './cdk/create-streaming-lambda';