docs: update values to reflect symbolicator configuration change in r…

…eadme (#1435)

charts/sentry/README.md

@@ -107,7 +107,7 @@ Note: this table is incomplete, so have a look at the values.yaml in case you mi
 | `snuba.subscriptionConsumerMetrics.enabled`       | Enable Snuba subscription consumer metrics                                                                                                                                | `true`                          |
 | `snuba.subscriptionConsumerTransactions.enabled`       | Enable Snuba subscription consumer transactions                                                                                                                                | `true`                          |
 | `snuba.transactionsConsumer.enabled`       | Enable Snuba transactions consumer                                                                                                                                | `true`                          |
-| `symbolicator.api.enabled`                    | Enable Symbolicator                                                                                                                                                 | `false`                        |
+| `symbolicator.enabled`                    | Enable Symbolicator                                                                                                                                                 | `false`                        |
 | `symbolicator.api.config`                     | Config file for Symbolicator, see [its docs](https://getsentry.github.io/symbolicator/#configuration)                                                               | see values.yaml                |
 | `extraManifests`                              | Extra K8s manifests to deploy                                                                                                                                       | []                             |