Remove unused if_ok! macro

Author: Keegan McAllister

src/librustc_borrowck/borrowck/mod.rs

@@ -39,15 +39,6 @@ use syntax::visit;
 use syntax::visit::{Visitor, FnKind};
 use syntax::ast::{FnDecl, Block, NodeId};
 
-macro_rules! if_ok {
-    ($inp: expr) => (
-        match $inp {
-            Ok(v) => { v }
-            Err(e) => { return Err(e); }
-        }
-    )
-}
-
 pub mod doc;
 
 pub mod check_loans;