fix(k3s): update Flux node selectors, remove clawjp host, and adjust Gitea runner/Docker tag settings

ansible/inventory/hosts.yml

@@ -94,10 +94,6 @@ all:
           ansible_host: clawhk.node.dev.cm
           node_hostname: clawhk
           node_region: cn-hk
-        clawjp:
-          ansible_host: clawjp.node.dev.cm
-          node_hostname: clawjp
-          node_region: jp-tyo
         orajpa:
           ansible_host: orajpa.node.dev.cm
           node_hostname: orajpa