Remove fixmes about exporting. Close #2648, close #3119.

Author: bblum

src/libcore/core.rc

@@ -59,9 +59,8 @@ export path;
 // NDM seems to be necessary for resolve to work
 export option_iter;
 
-// FIXME (#2648): This creates some APIs that I do not want to commit
-// to. It is currently exported for the uv code in std, but when that
-// code moves into core this should become unexported
+// This creates some APIs that I do not want to commit to, but it must be
+// exported from core in order for uv to remain in std (see #2648).
 export priv;
 
 

src/libstd/sync.rs

@@ -11,7 +11,6 @@
 export condvar, semaphore, mutex, mutex_with_condvars;
 export rwlock, rwlock_with_condvars, rwlock_write_mode, rwlock_read_mode;
 
-// FIXME (#3119) This shouldn't be a thing exported from core.
 import unsafe::{Exclusive, exclusive};
 
 /****************************************************************************