Add future compat lint declaration

Author: Aaron1011

src/librustc_lint/lib.rs

@@ -229,11 +229,6 @@ pub fn register_builtins(store: &mut lint::LintStore, sess: Option<&Session>) {
             reference: "issue #34537 <https://github.com/rust-lang/rust/issues/34537>",
             edition: None,
         },
-        FutureIncompatibleInfo {
-            id: LintId::of(EXPORTED_PRIVATE_DEPENDENCIES),
-            reference: "issue #44663 <https://github.com/rust-lang/rust/issues/44663>",
-            edition: None,
-        },
         FutureIncompatibleInfo {
             id: LintId::of(PUB_USE_OF_PRIVATE_EXTERN_CRATE),
             reference: "issue #34537 <https://github.com/rust-lang/rust/issues/34537>",