remove cargo edition 2018 feature gate.

matthiaskrgr · matthiaskrgr · commit 91f7e22edf65 · 2018-09-30T11:12:24.000+02:00
Rust and the cargo used to bootstrap was updated in rust-lang/rust#54601 which now has the 2018 edition stabilized.
diff --git a/Cargo.toml b/Cargo.toml
@@ -1,5 +1,3 @@
-cargo-features = ["edition"]
-
 [package]
 name = "clippy"
 version = "0.0.212"
diff --git a/clippy_dev/Cargo.toml b/clippy_dev/Cargo.toml
@@ -1,5 +1,3 @@
-cargo-features = ["edition"]
-
 [package]
 name = "clippy_dev"
 version = "0.0.1"
diff --git a/clippy_lints/Cargo.toml b/clippy_lints/Cargo.toml
@@ -1,5 +1,3 @@
-cargo-features = ["edition"]
-
 [package]
 name = "clippy_lints"
 # begin automatic update
diff --git a/rustc_tools_util/Cargo.toml b/rustc_tools_util/Cargo.toml
@@ -1,5 +1,3 @@
-cargo-features = ["edition"]
-
 [package]
 name = "rustc_tools_util"
 version = "0.1.0"
