Remove redundant import

Author: fdrinck

src/librustdoc/html/render.rs

@@ -1069,8 +1069,6 @@ themePicker.onblur = handleThemeButtonsBlur;
     }
 
     if cx.shared.include_sources {
-        use std::path::Component;
-
         let mut hierarchy = Hierarchy::new(OsString::new());
         for source in cx.shared.local_sources.iter()
                                              .filter_map(|p| p.0.strip_prefix(&cx.shared.src_root)

src/librustdoc/test.rs

@@ -371,8 +371,7 @@ pub fn make_test(s: &str,
     // Uses libsyntax to parse the doctest and find if there's a main fn and the extern
     // crate already is included.
     let (already_has_main, already_has_extern_crate, found_macro) = crate::syntax::with_globals(|| {
-        use crate::syntax::{ast, parse::{self, ParseSess}, source_map::FilePathMapping};
-        use crate::syntax_pos::FileName;
+        use crate::syntax::{parse::{self, ParseSess}, source_map::FilePathMapping};
         use errors::emitter::EmitterWriter;
         use errors::Handler;