Update RFC table in README (#603)

Automated changes by [create-pull-request](https://github.com/peter-evans/create-pull-request) GitHub action

ACCEPTED.md

@@ -16,7 +16,6 @@
 [228](https://github.com/aws/aws-cdk-rfcs/issues/228)|[CDK CLI Triggers](https://github.com/aws/aws-cdk-rfcs/issues/228)||📆 planning
 [300](https://github.com/aws/aws-cdk-rfcs/issues/300)|[Programmatic access of AWS CDK CLI](https://github.com/aws/aws-cdk-rfcs/issues/300)||📆 planning
 [491](https://github.com/aws/aws-cdk-rfcs/issues/491)|[CloudFront Origin Access Control L2](https://github.com/aws/aws-cdk-rfcs/issues/491)||📆 planning
-[499](https://github.com/aws/aws-cdk-rfcs/issues/499)|[AppConfig L2 Constructs](https://github.com/aws/aws-cdk-rfcs/blob/main/text/0499-appconfig-constructs.md)||📆 planning
 [583](https://github.com/aws/aws-cdk-rfcs/issues/583)|[Deployment Debugging](https://github.com/aws/aws-cdk-rfcs/issues/583)||📆 planning
 [585](https://github.com/aws/aws-cdk-rfcs/issues/585)|[Local Application Testing](https://github.com/aws/aws-cdk-rfcs/issues/585)||📆 planning
 [586](https://github.com/aws/aws-cdk-rfcs/issues/586)|[Understand Deployment Progress](https://github.com/aws/aws-cdk-rfcs/issues/586)||📆 planning

FULL_INDEX.md

@@ -154,7 +154,6 @@
 [492](https://github.com/aws/aws-cdk-rfcs/issues/492)|[Amazon OpenSearch Serverless L2 Construct](https://github.com/aws/aws-cdk-rfcs/issues/492)||👎 rejected
 [495](https://github.com/aws/aws-cdk-rfcs/issues/495)|[AWS IAM Identity Store L2 construct](https://github.com/aws/aws-cdk-rfcs/issues/495)||👎 rejected
 [497](https://github.com/aws/aws-cdk-rfcs/issues/497)|[AWS Glue L2 CDK Construct](https://github.com/aws/aws-cdk-rfcs/blob/main/text/0497-glue-l2-construct.md)|[@TheRealAmazonKendra](https://github.com/TheRealAmazonKendra)|✅ done
-[499](https://github.com/aws/aws-cdk-rfcs/issues/499)|[AppConfig L2 Constructs](https://github.com/aws/aws-cdk-rfcs/blob/main/text/0499-appconfig-constructs.md)||📆 planning
 [502](https://github.com/aws/aws-cdk-rfcs/issues/502)|[Amazon VPC Lattice L2 Construct](https://github.com/aws/aws-cdk-rfcs/blob/main/text/0502_aws-vpclattice.md)|[@TheRealAmazonKendra](https://github.com/TheRealAmazonKendra)|👍 approved
 [507](https://github.com/aws/aws-cdk-rfcs/issues/507)|[Full control over VPC and subnet configuration](https://github.com/aws/aws-cdk-rfcs/blob/main/text/0507-subnets)|[@otaviomacedo](https://github.com/otaviomacedo)|👍 approved
 [509](https://github.com/aws/aws-cdk-rfcs/issues/509)|[Add Step Functions SageMaker CreateProcessingJob task construct](https://github.com/aws/aws-cdk-rfcs/issues/509)||👎 rejected

README.md

@@ -29,7 +29,6 @@ future state of the libraries and to discover projects for contribution.
 [228](https://github.com/aws/aws-cdk-rfcs/issues/228)|[CDK CLI Triggers](https://github.com/aws/aws-cdk-rfcs/issues/228)||📆 planning
 [300](https://github.com/aws/aws-cdk-rfcs/issues/300)|[Programmatic access of AWS CDK CLI](https://github.com/aws/aws-cdk-rfcs/issues/300)||📆 planning
 [491](https://github.com/aws/aws-cdk-rfcs/issues/491)|[CloudFront Origin Access Control L2](https://github.com/aws/aws-cdk-rfcs/issues/491)||📆 planning
-[499](https://github.com/aws/aws-cdk-rfcs/issues/499)|[AppConfig L2 Constructs](https://github.com/aws/aws-cdk-rfcs/blob/main/text/0499-appconfig-constructs.md)||📆 planning
 [583](https://github.com/aws/aws-cdk-rfcs/issues/583)|[Deployment Debugging](https://github.com/aws/aws-cdk-rfcs/issues/583)||📆 planning
 [585](https://github.com/aws/aws-cdk-rfcs/issues/585)|[Local Application Testing](https://github.com/aws/aws-cdk-rfcs/issues/585)||📆 planning
 [586](https://github.com/aws/aws-cdk-rfcs/issues/586)|[Understand Deployment Progress](https://github.com/aws/aws-cdk-rfcs/issues/586)||📆 planning