chore: remove morremeyer as maintainer (#2176)

This removes me as maintainer of the ccm chart. I have not been working with OpenStack since mid 2021 and have in fact not been contributing to the chart since its inception.

Author: morremeyer

charts/openstack-cloud-controller-manager/Chart.yaml

@@ -4,11 +4,8 @@ description: Openstack Cloud Controller Manager Helm Chart
 icon: https://object-storage-ca-ymq-1.vexxhost.net/swift/v1/6e4619c416ff4bd19e1c087f27a43eea/www-images-prod/openstack-logo/OpenStack-Logo-Vertical.png
 home: https://github.com/kubernetes/cloud-provider-openstack
 name: openstack-cloud-controller-manager
-version: 1.5.0
+version: 1.5.1
 maintainers:
-  - name: morremeyer
-    email: [email protected]
-    url: https://maurice-meyer.de
   - name: eumel8
     email: [email protected]
     url: https://www.telekom.com