Removed TODO from 3 files (#141)

Author: Riyagoel2

pydatastructs/graphs/algorithms.py

@@ -2,7 +2,6 @@
 Contains all the algorithms associated with graph
 data structure.
 """
-# TODO: REPLACE COLLECTIONS QUEUE WITH PYDATASTRUCTS QUEUE
 from collections import deque as Queue
 from pydatastructs.utils.misc_util import AdjacencyListGraphNode
 from concurrent.futures import ThreadPoolExecutor

pydatastructs/trees/binary_trees.py

@@ -3,7 +3,6 @@
 from pydatastructs.linear_data_structures import (
     OneDimensionalArray, DynamicOneDimensionalArray)
 from pydatastructs.linear_data_structures.arrays import ArrayForTrees
-# TODO: REPLACE COLLECTIONS QUEUE WITH PYDATASTRUCTS QUEUE
 from collections import deque as Queue
 
 __all__ = [

pydatastructs/trees/space_partitioning_trees.py

@@ -1,5 +1,4 @@
 from pydatastructs.utils import TreeNode
-# TODO: REPLACE COLLECTIONS QUEUE WITH PYDATASTRUCTS QUEUE
 from collections import deque as Queue
 from pydatastructs.linear_data_structures.arrays import _check_type