Revert "[config][generic-update] Implementing patch sorting (#1599)"

This reverts commit 920bb87.

Author: lguohan

generic_config_updater/generic_updater.py

@@ -3,7 +3,6 @@
 from enum import Enum
 from .gu_common import GenericConfigUpdaterError, ConfigWrapper, \
                        DryRunConfigWrapper, PatchWrapper
-from .patch_sorter import PatchSorter
 
 CHECKPOINTS_DIR = "/etc/sonic/checkpoints"
 CHECKPOINT_EXT = ".cp.json"
@@ -17,6 +16,11 @@ def release_lock(self):
         # TODO: Implement ConfigLock
         pass
 
+class PatchSorter:
+    def sort(self, patch):
+        # TODO: Implement patch sorter
+        raise NotImplementedError("PatchSorter.sort(patch) is not implemented yet")
+
 class ChangeApplier:
     def apply(self, change):
         # TODO: Implement change applier
@@ -32,7 +36,7 @@ def __init__(self,
                  changeapplier=None,
                  config_wrapper=None,
                  patch_wrapper=None):
-        self.patchsorter = patchsorter if patchsorter is not None else PatchSorter(config_wrapper, patch_wrapper)
+        self.patchsorter = patchsorter if patchsorter is not None else PatchSorter()
         self.changeapplier = changeapplier if changeapplier is not None else ChangeApplier()
         self.config_wrapper = config_wrapper if config_wrapper is not None else ConfigWrapper()
         self.patch_wrapper = patch_wrapper if patch_wrapper is not None else PatchWrapper()