refactor: remove mysql resource from kustomization

Remove MySQL configuration from the Kustomization file,
as it is no longer needed for the current application
architecture. This change simplifies the resource
management and reduces complexity in the deployment.

kind/kustomization.yaml

@@ -1,7 +1,6 @@
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
-- mysql.yaml
 - postgres.yaml
 - rabbitmq.yaml
 - external-secrets.yaml
@@ -16,4 +15,3 @@ helmCharts:
   releaseName: external-secrets
   repo: https://charts.external-secrets.io
   version: 0.17.0
-