largefiles: rely on the higher level `changing_giles` in `mergerecordupdates`

Now that context open on the main dirstate also affect the underlying one, we
can skip opening our own in `mergerecordupdates`

hgext/largefiles/overrides.py

@@ -683,18 +683,12 b' def overridecalculateupdates('
 def mergerecordupdates(orig, repo, actions, branchmerge, getfiledata):
     if MERGE_ACTION_LARGEFILE_MARK_REMOVED in actions:
         lfdirstate = lfutil.openlfdirstate(repo.ui, repo)
-        with lfdirstate.changing_parents(repo):
-            for lfile, args, msg in actions[
-                MERGE_ACTION_LARGEFILE_MARK_REMOVED
-            ]:
-                # this should be executed before 'orig', to execute 'remove'
-                # before all other actions
-                repo.dirstate.update_file(
-                    lfile, p1_tracked=True, wc_tracked=False
-                )
-                # make sure lfile doesn't get synclfdirstate'd as normal
-                lfdirstate.update_file(lfile, p1_tracked=False, wc_tracked=True)
-        lfdirstate.write(repo.currenttransaction())
+        for lfile, args, msg in actions[MERGE_ACTION_LARGEFILE_MARK_REMOVED]:
+            # this should be executed before 'orig', to execute 'remove'
+            # before all other actions
+            repo.dirstate.update_file(lfile, p1_tracked=True, wc_tracked=False)
+            # make sure lfile doesn't get synclfdirstate'd as normal
+            lfdirstate.update_file(lfile, p1_tracked=False, wc_tracked=True)
 
     return orig(repo, actions, branchmerge, getfiledata)