cargo: remove unused dependencies

Author: mathstuf

tokio-io/Cargo.toml

@@ -24,7 +24,6 @@ util = ["memchr", "pin-project"]
 
 [dependencies]
 bytes = "0.4.7"
-log = "0.4"
 futures-core-preview = "=0.3.0-alpha.19"
 memchr = { version = "2.2", optional = true }
 pin-project = { version = "0.4", optional = true }

tokio-net/Cargo.toml

@@ -99,7 +99,6 @@ optional = true
 tokio = { version = "=0.2.0-alpha.6", path = "../tokio" }
 tokio-test = { version = "=0.2.0-alpha.6", path = "../tokio-test" }
 num_cpus = "1.8.0"
-tokio-io-pool = "0.1.4"
 
 # UDS tests
 tempfile = "3"

tokio/Cargo.toml

@@ -85,7 +85,6 @@ futures-preview = "=0.3.0-alpha.19"
 futures-util-preview = "=0.3.0-alpha.19"
 pin-utils = "=0.1.0-alpha.4"
 env_logger = { version = "0.6", default-features = false }
-flate2 = { version = "1", features = ["tokio"] }
 http = "0.1"
 httparse = "1.0"
 libc = "0.2"