Auto merge of #188 - tamird:remove-unused-rustbuild, r=alexcrichton

bors · bors · commit 23f14d3f05f2 · 2017-09-10T15:35:24.000Z
Remove unused rustbuild feature

I can't tell if this was ever used, but it's not used today.
diff --git a/Cargo.toml b/Cargo.toml
@@ -17,7 +17,6 @@ c = ["gcc"]
 compiler-builtins = []
 default = ["compiler-builtins"]
 mem = []
-rustbuild = ["compiler-builtins"]
 mangled-names = []
 
 # generate tests
