Update IAM credentials warning message

Author: deliahu

cli/cmd/lib_aws_creds.go

@@ -58,7 +58,7 @@ func promptIfNotAdmin(awsClient *aws.Client) {
 	}
 
 	if !awsClient.IsAdmin() {
-		prompt.YesOrExit(fmt.Sprintf("warning: your IAM user%s does not have administrator access. This will likely prevent Cortex from installing correctly, so it is recommended to attach the AdministratorAccess policy to your IAM user. If you'd like, you may provide separate credentials for your cluster to use after it's running (see https://cortex.dev/cluster-management/security for instructions).\nAre you sure you want to continue?", accessKeyMsg), "", "")
+		prompt.YesOrExit(fmt.Sprintf("warning: your IAM user%s does not have administrator access. This will likely prevent Cortex from installing correctly, so it is recommended to attach the AdministratorAccess policy to your IAM user. If you'd like, you may provide separate credentials for your cluster to use after it's running (see https://cortex.dev/cluster-management/security for instructions).\n\nare you sure you want to continue without administrator access?", accessKeyMsg), "", "")
 	}
 }