fix: remove unused computed

Author: MatteoGabriele

app/components/Header/AccountMenu.client.vue

@@ -18,9 +18,6 @@ const isOpen = shallowRef(false)
 /** Check if connected to at least one service */
 const hasAnyConnection = computed(() => isNpmConnected.value || !!atprotoUser.value)
 
-/** Check if connected to both services */
-const hasBothConnections = computed(() => isNpmConnected.value && !!atprotoUser.value)
-
 /** Only show count of active (pending/approved/running) operations */
 const operationCount = computed(() => activeOperations.value.length)