removing example of callalbe provider

examples/providers/callable.py

@@ -1,40 +0,0 @@
-"""`Callable` providers examples."""
-
-from objects.providers import Callable
-from objects.injections import KwArg
-
-
-class SomeCrypt(object):
-
-    """Example class SomeCrypt."""
-
-    @staticmethod
-    def encrypt(data, password):
-        """Encypt data using password."""
-        return ''.join((password, data, password))
-
-    @staticmethod
-    def decrypt(data, password):
-        """Decrypt data using password."""
-        return data[len(password):-len(password)]
-
-
-# Encrypt and decrypt function providers:
-encrypt = Callable(SomeCrypt.encrypt,
-                   KwArg('password', 'secret123'))
-decrypt = Callable(SomeCrypt.decrypt,
-                   KwArg('password', 'secret123'))
-
-# Making some asserts:
-initial_data = 'some_data'
-
-encrypted1 = encrypt(initial_data)
-decrypted1 = decrypt(encrypted1)
-
-assert decrypted1 == initial_data
-
-# Context keyword arguments priority example:
-encrypted2 = encrypt(initial_data, password='another_secret')
-decrypted2 = decrypt(encrypted2)
-
-assert decrypted2 != initial_data