Remove log feature

Cargo.toml

@@ -31,7 +31,7 @@ include       = [
 # For documentation of features see the `mio::features` module.
 [features]
 # By default Mio only provides a shell implementation.
-default = ["log"]
+default = []
 
 # Enables the `Poll` and `Registry` types.
 os-poll = []
@@ -45,7 +45,7 @@ os-ext = [
 net = []
 
 [dependencies]
-log = { version = "0.4.8", optional = true }
+log = { version = "0.4.8" }
 
 [target.'cfg(unix)'.dependencies]
 libc = "0.2.149"

src/macros.rs

@@ -68,31 +68,3 @@ macro_rules! cfg_any_os_ext {
         )*
     }
 }
-
-macro_rules! trace {
-    ($($t:tt)*) => {
-        log!(trace, $($t)*)
-    }
-}
-
-macro_rules! warn {
-    ($($t:tt)*) => {
-        log!(warn, $($t)*)
-    }
-}
-
-macro_rules! error {
-    ($($t:tt)*) => {
-        log!(error, $($t)*)
-    }
-}
-
-macro_rules! log {
-    ($level: ident, $($t:tt)*) => {
-        #[cfg(feature = "log")]
-        { log::$level!($($t)*) }
-        // Silence unused variables warnings.
-        #[cfg(not(feature = "log"))]
-        { if false { let _ = ( $($t)* ); } }
-    }
-}