fix: Bump chart version to 0.1.19 to force Flux rebuild

- Version bump required to force Flux to rebuild chart with new grafana-agent NodePool
- Resolves chart caching issue preventing new NodePool deployment
- Remove conflicting HelmRelease in flux-system namespace

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: haimari

helm/karpenter-oci/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v2
 name: karpenter-oci
 description: Karpenter with OCI provider support for Oracle Kubernetes Engine (OKE)
 type: application
-version: 0.1.18
+version: 0.1.19
 appVersion: "start-io-0207893"
 home: https://github.com/startappdev/karpenter
 sources: