largefiles: drop more unnecessary compatibility checks

hgext/largefiles/lfutil.py

@@ -135,11 +135,8 b' def openlfdirstate(ui, repo):'
     '''
     admin = repo.join(longname)
     opener = scmutil.opener(admin)
-    if util.safehasattr(repo.dirstate, '_validate'):
-        lfdirstate = largefiles_dirstate(opener, ui, repo.root,
-            repo.dirstate._validate)
-    else:
-        lfdirstate = largefiles_dirstate(opener, ui, repo.root)
+    lfdirstate = largefiles_dirstate(opener, ui, repo.root,
+                                     repo.dirstate._validate)
 
     # If the largefiles dirstate does not exist, populate and create
     # it. This ensures that we create it on the first meaningful

hgext/largefiles/uisetup.py

@@ -82,12 +82,8 b' def uisetup(ui):'
     extensions.wrapfunction(hg, 'merge', overrides.hg_merge)
 
     extensions.wrapfunction(archival, 'archive', overrides.override_archive)
-    if util.safehasattr(cmdutil, 'bailifchanged'):
-        extensions.wrapfunction(cmdutil, 'bailifchanged',
-            overrides.override_bailifchanged)
-    else:
-        extensions.wrapfunction(cmdutil, 'bail_if_changed',
-            overrides.override_bailifchanged)
+    extensions.wrapfunction(cmdutil, 'bailifchanged',
+                            overrides.override_bailifchanged)
 
     # create the new wireproto commands ...
     wireproto.commands['putlfile'] = (proto.putlfile, 'sha')