mysql: Fix secret

mysql/kustomize/overlays/default/kustomization.yaml

@@ -31,4 +31,5 @@ configMapGenerator:
 
 secretGenerator:
 - name: mysql-secret
-  env: mysql-secret.properties
+  literals:
+  - mysql-root-password=root

mysql/kustomize/overlays/default/mysql-secret.properties

@@ -1,3 +0,0 @@
-# Encoded base64 string required by kubernetes
-# echo -n '<wanted_value>' | base64
-mysql-root-password="cm9vdA=="

mysql/kustomize/overlays/default/phpmyadmin_ingress.yaml

@@ -2,8 +2,6 @@ apiVersion: networking.k8s.io/v1
 kind: Ingress
 metadata:
   name: phpmyadmin-ingress
-  annotations:
-    nginx.ingress.kubernetes.io/rewrite-target: /
 spec:
   ingressClassName: nginx
   rules: