use inv-sig-helper instead of inv-companion

cluster/apps/invidious/invidious.yml

@@ -21,7 +21,7 @@ spec:
         - sh
         - -c
         - |
-          until nc -z -v -w30 invidious-companion-service 8282; do
+          until nc -z -v -w30 inv-sig-helper 12999; do
             echo "Waiting for companion to be ready..."
             sleep 2
           done
@@ -65,14 +65,6 @@ spec:
           value: "3000"
         ports:
         - containerPort: 3000
-        livenessProbe:
-          httpGet:
-            path: /api/v1/trending
-            port: 3000
-          initialDelaySeconds: 30
-          periodSeconds: 30
-          timeoutSeconds: 5
-          failureThreshold: 2
         volumeMounts:
         - name: logging
           mountPath: /var/log/invidious