code: def unregister_model(self, storagemodel:object, delete_table=False):
          
          
          # get modeldefinition
          modeldefinition = self.getmodeldefinition(storagemodel, True)
  
          # remove from modeldefinitions
          for i in range(len(self._modeldefinitions)):
              if self._modeldefinitions[i]['modelname'] == modeldefinition['modelname']:
                  del self._modeldefinitions[i]
                  break
          
          # delete table from storage if delete_table == True        
          if delete_table:
              self.__deletetable__(modeldefinition)
          pass
docs: clear up an Tableservice for an StorageTableModel in your  Azure Storage Account
              Will delete the Table if delete_table Flag is True!
          
              required Parameter is:
              - storagemodel: StorageTableModel(Object)
  
              Optional Parameter is:
              - delete_table: bool