tidy up dependency features (#106)

Author: seanmonstar

Cargo.toml

@@ -16,18 +16,13 @@ vendored = ["native-tls/vendored"]
 [dependencies]
 bytes = "1"
 http-body-util = "0.1.0"
-hyper = { version = "1.0.0", default-features = false }
-hyper-util = { version = "0.1.0", default-features = false, features = [
-    "client-legacy",
-    "tokio",
-] }
+hyper = "1"
+hyper-util = { version = "0.1.0", features = ["client-legacy", "tokio"] }
 native-tls = "0.2.1"
 tokio = "1"
 tokio-native-tls = "0.3"
 tower-service = "0.3"
 
 [dev-dependencies]
-hyper-util = { version = "0.1.0", default-features = false, features = [
-    "http1",
-] }
+hyper-util = { version = "0.1.0", features = ["http1"] }
 tokio = { version = "1.0.0", features = ["io-std", "macros", "io-util"] }