Clean servers crate dev dependency on config (#2099)

Cargo.lock

@@ -886,7 +886,6 @@ dependencies = [
  "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "grin_api 0.4.2",
  "grin_chain 0.4.2",
- "grin_config 0.4.2",
  "grin_core 0.4.2",
  "grin_keychain 0.4.2",
  "grin_p2p 0.4.2",

servers/Cargo.toml

@@ -37,4 +37,3 @@ grin_wallet = { path = "../wallet", version = "0.4.2" }
 
 [dev-dependencies]
 blake2-rfc = "0.2"
-grin_config = { path = "../config", version = "0.4.2" }

servers/tests/api.rs

@@ -22,7 +22,6 @@ use self::util::init_test_logger;
 use self::util::Mutex;
 use crate::framework::{LocalServerContainer, LocalServerContainerConfig};
 use grin_api as api;
-use grin_config as config;
 use grin_core as core;
 use grin_p2p as p2p;
 use grin_util as util;