workingctx: have status method call super instead of customized code.

The old code is unneeded now that basectx has the ability to calculate the
status between two context objects.

Now, we use the objected oriented pattern called 'super'.

mercurial/context.py

@@ -1438,20 +1438,17 b' class workingctx(committablectx):'
             match.bad = bad
         return match
 
-    def status(self, ignored=False, clean=False, unknown=False, match=None):
-        """Explicit status query
-        Unless this method is used to query the working copy status, the
-        _status property will implicitly read the status using its default
-        arguments."""
-        listignored, listclean, listunknown = ignored, clean, unknown
-        s = self._dirstatestatus(match=match, ignored=listignored,
-                                 clean=listclean, unknown=listunknown)
-
-        s[0] = self._filtersuspectsymlink(s[0])
-        self._status = s
+    def status(self, other='.', match=None, listignored=False,
+               listclean=False, listunknown=False, listsubrepos=False):
+        # yet to be determined: what to do if 'other' is a 'workingctx' or a
+        # 'memctx'?
+        s = super(workingctx, self).status(other, match, listignored, listclean,
+                                           listunknown, listsubrepos)
+        # calling 'super' subtly reveresed the contexts, so we flip the results
+        # (s[1] is 'added' and s[2] is 'removed')
+        s[1], s[2] = s[2], s[1]
         return s
 
-
 class committablefilectx(basefilectx):
     """A committablefilectx provides common functionality for a file context
     that wants the ability to commit, e.g. workingfilectx or memfilectx."""