flux: migrate to flux cd

ops-scripts/apply-app.sh

@@ -1,5 +0,0 @@
-#!/bin/bash
-set -e
-echo "Executing app deploy."
-
-kubectl kustomize deploy/app | kubectl apply -f -

ops-scripts/apply-flux.sh

@@ -0,0 +1,4 @@
+#!/bin/bash
+set -e
+
+kubectl kustomize deploy/flux | kubectl apply -f -

ops-scripts/apply-infra.sh

@@ -1,5 +0,0 @@
-#!/bin/bash
-set -e
-echo "Executing infra deploy."
-
-kubectl kustomize deploy/infra | kubectl apply -f -