revert: remove code killed by the double status

All those checks were here to catch cases where files were not modified in
dirstate but were different in the target revision. This is now properly handled
by calling status on the target node too.

mercurial/cmdutil.py

@@ -2482,8 +2482,6 b' def revert(ui, repo, ctx, parents, *pats'
             )
 
         for abs, (rel, exact) in sorted(names.items()):
-            # hash on file in target manifest (or None if missing from target)
-            mfentry = mf.get(abs)
             # target file to be touch on disk (relative to cwd)
             target = repo.wjoin(abs)
             def handle(xlist, dobackup):
@@ -2528,19 +2526,6 b' def revert(ui, repo, ctx, parents, *pats'
                     if exact:
                         ui.warn(_('no changes needed to %s\n') % rel)
                     continue
-                # no change in dirstate but parent and target may differ
-                if pmf is None:
-                    # only need parent manifest in this unlikely case,
-                    # so do not read by default
-                    pmf = repo[parent].manifest()
-                if abs in pmf and mfentry:
-                    # if version of file is same in parent and target
-                    # manifests, do nothing
-                    if (pmf[abs] != mfentry or
-                        pmf.flags(abs) != mf.flags(abs)):
-                        handle(actions['revert'], False)
-                else:
-                    handle(actions['remove'], False)
 
         if not opts.get('dry_run'):
             _performrevert(repo, parents, ctx, actions)