Remove bit_length_power_of_2

This change is to remove bit_length_power_of_2 from this repo since
it has been moved to openstack-ansible-openstack_hosts. This is
because it is only used by that repo.

Depends-On: I543328db49dc6b7bbb05878503dbb3d337a18558
Change-Id: I9e2b3e10ec42d246d203e363f0c737b8824ccd47
Closes-bug: #1826242

doc/source/filters.rst

@@ -2,16 +2,6 @@
 Filters
 =======
 
-bit_length_power_of_2
-~~~~~~~~~~~~~~~~~~~~~
-This filter will return the smallest power of 2 greater than a given numeric
-value.
-
-.. code-block:: yaml
-
-   {{ 1000 | bit_length_power_of_2 }}
-   # => 1024
-
 deprecated
 ~~~~~~~~~~
 This filter will return the old_var value, if defined, along with a

filter/osa-filters.py

@@ -143,15 +143,6 @@ def _lower_set_lists(list_one, list_two):
     return _list_one, _list_two
 
 
-def bit_length_power_of_2(value):
-    """Return the smallest power of 2 greater than a numeric value.
-
-    :param value: Number to find the smallest power of 2
-    :type value: ``int``
-    :returns: ``int``
-    """
-    return 2**(int(value)-1).bit_length()
-
 def string_2_int(string):
     """Return the an integer from a string.
 
@@ -268,7 +259,6 @@ class FilterModule(object):
     @staticmethod
     def filters():
         return {
-            'bit_length_power_of_2': bit_length_power_of_2,
             'string_2_int': string_2_int,
             'pip_requirement_names': pip_requirement_names,
             'pip_constraint_update': pip_constraint_update,

tests/test-filters.yml

@@ -20,12 +20,6 @@
   connection: local
   gather_facts: no
   tasks:
-    - name: Validate bit_length_power_of_2 filter
-      assert:
-        that:
-          - "{{ 1024 | bit_length_power_of_2 }} == 1024"
-          - "{{ 9600 | bit_length_power_of_2 }} == 16384"
-
     - name: Validate string_2_int filter
       assert:
         that: