[#133] Update docs

Signed-off-by: Denis Kirillov <d.kirillov@yadro.com>

CHANGELOG.md

@@ -43,6 +43,9 @@ This document outlines major changes between releases.
 - Changed values for `frostfs_s3_gw_state_health` metric (#91)
 - Support multiple tree service endpoints (#74)
 
+### Removed
+- Drop `tree.service` param (now endpoints from `peers` section are used) (#133)
+
 ## Older versions
 
 This project is a fork of [NeoFS S3 Gateway](https://github.com/nspcc-dev/neofs-s3-gw) from version v0.26.0.

config/config.env

@@ -42,9 +42,6 @@ S3_GW_CONFIG=/path/to/config/yaml
 # Logger
 S3_GW_LOGGER_LEVEL=debug
 
-# Endpoints of the tree service. At least one endpoint must be provided. Node addresses (from the `peers` section) can be used.
-S3_GW_TREE_SERVICE=grpc://s01.frostfs.devenv:8080 grpc://s02.frostfs.devenv:8080
-
 # RPC endpoint and order of resolving of bucket names
 S3_GW_RPC_ENDPOINT=http://morph-chain.frostfs.devenv:30333/
 S3_GW_RESOLVE_ORDER="nns dns"

config/config.yaml

@@ -44,12 +44,6 @@ listen_domains:
 logger:
   level: debug
 
-# Endpoints of the tree service. At least one endpoint must be provided. Node addresses (from the `peers` section) can be used.
-tree:
-  service:
-    - node1.frostfs:8080
-    - node2.frostfs:8080
-
 # RPC endpoint and order of resolving of bucket names
 rpc_endpoint: http://morph-chain.frostfs.devenv:30333
 resolve_order:

docs/configuration.md

@@ -176,7 +176,6 @@ There are some custom types used for brevity:
 | `placement_policy` | [Placement policy configuration](#placement_policy-section)    |
 | `server`           | [Server configuration](#server-section)                        |
 | `logger`           | [Logger configuration](#logger-section)                        |
-| `tree`             | [Tree configuration](#tree-section)                            |
 | `cache`            | [Cache configuration](#cache-section)                          |
 | `nats`             | [NATS configuration](#nats-section)                            |
 | `cors`             | [CORS configuration](#cors-section)                            |
@@ -359,26 +358,6 @@ logger:
 |-----------|----------|---------------|---------------|----------------------------------------------------------------------------------------------------|
 | `level`   | `string` | yes           | `debug`       | Logging level.<br/>Possible values:  `debug`, `info`, `warn`, `error`, `dpanic`, `panic`, `fatal`. |
 
-### `tree` section
-
-```yaml
-tree:
-  service:
-   - s01.frostfs.devenv:8080
-   - s02.frostfs.devenv:8080
-```
-
-If you use only one endpoint, it can be provided as:
-
-```yaml
-tree:
-  service: s01.frostfs.devenv:8080
-```
-
-| Parameter | Type       | Default value | Description                                                                                                                   |
-|-----------|------------|---------------|-------------------------------------------------------------------------------------------------------------------------------|
-| `service` | `[]string` |               | Endpoints of the tree service. At least one endpoint must be provided. Node addresses (from the `peers` section) can be used. |
-
 ### `cache` section
 
 ```yaml