Remove Base.enable_rmm_pool method as it is no longer needed (rapidsa…

…i#3875)

This should resolve the confusion caused in the issue rapidsai/raft#228. Tagging @dantegd for review.

Authors:
  - Thejaswi. N. S (https://github.com/teju85)

Approvers:
  - Dante Gama Dessavre (https://github.com/dantegd)

URL: rapidsai#3875

python/cuml/common/base.pyx

@@ -210,9 +210,6 @@ class Base(TagsMixin,
         string = string.rstrip(', ')
         return string + ')'
 
-    def enable_rmm_pool(self):
-        self.handle.enable_rmm_pool()
-
     def get_param_names(self):
         """
         Returns a list of hyperparameter names owned by this class. It is