chore: remove redundant init container for Mattermost Calls

k8s/nextgen/20-mattermost.yaml

@@ -83,26 +83,6 @@ spec:
       labels:
         app: mattermost
     spec:
-      initContainers:
-        - name: install-calls-plugin
-          image: alpine
-          command:
-            - sh
-            - -c
-            - |
-              apk add --no-cache ca-certificates wget tar
-              if [ ! -d /mattermost/plugins/com.mattermost.calls ]; then
-                echo "Downloading Mattermost Calls plugin..."
-                wget -qO calls.tar.gz https://github.com/mattermost/mattermost-plugin-calls/releases/latest/download/com.mattermost.calls-linux-amd64.tar.gz
-                tar -xzf calls.tar.gz -C /mattermost/plugins/
-                rm calls.tar.gz
-                echo "Mattermost Calls plugin installed."
-              else
-                echo "Mattermost Calls plugin already installed."
-              fi
-          volumeMounts:
-            - name: mattermost-plugins
-              mountPath: /mattermost/plugins
       containers:
         - name: mattermost
           image: mattermost/mattermost-team-edition:9.11