dev-python/passlib: remove unused patch(es)

Signed-off-by: Michael Mair-Keimberger <mmk@levelnine.at>
Signed-off-by: Conrad Kostecki <conikost@gentoo.org>

dev-python/passlib/files/passlib-1.7.4-bcrypt-4.1.patch

@@ -1,13 +0,0 @@
-diff --git a/passlib/handlers/bcrypt.py b/passlib/handlers/bcrypt.py
-index b83b110..42dd019 100644
---- a/passlib/handlers/bcrypt.py
-+++ b/passlib/handlers/bcrypt.py
-@@ -617,7 +617,7 @@ class _BcryptBackend(_BcryptCommon):
-         except ImportError: # pragma: no cover
-             return False
-         try:
--            version = _bcrypt.__about__.__version__
-+            version = _bcrypt.__version__
-         except:
-             log.warning("(trapped) error reading bcrypt version", exc_info=True)
-             version = '<unknown>'