Remove unused pip extras for alice and bob

setup.py

@@ -22,11 +22,11 @@ along with nucypher.  If not, see <https://www.gnu.org/licenses/>.
 
 import os
 import subprocess
-import sys
 from pathlib import Path
 from typing import Dict
 from urllib.parse import urlparse
 
+import sys
 from setuptools import find_packages, setup
 from setuptools.command.develop import develop
 from setuptools.command.install import install
@@ -122,10 +122,6 @@ def read_requirements(path):
 INSTALL_REQUIRES = read_requirements('requirements.txt')
 DEV_REQUIRES = read_requirements('dev-requirements.txt')
 
-# Direct dependencies are not supported on PyPI, instead use `pip -r docs-requirements`
-# https://github.com/pypa/twine/issues/726
-# DOC_REQUIRES = read_requirements('docs-requirements.txt')
-
 BENCHMARK_REQUIRES = [
     'pytest-benchmark'
 ]
@@ -138,21 +134,14 @@ DEPLOY_REQUIRES = [
 ]
 
 URSULA_REQUIRES = ['prometheus_client', 'sentry-sdk']  # TODO: Consider renaming to 'monitor', etc.
-ALICE_REQUIRES = ['qrcode']
-BOB_REQUIRES = ['qrcode']
 
 EXTRAS = {
 
     # Admin
-    'dev': DEV_REQUIRES + URSULA_REQUIRES + ALICE_REQUIRES,
+    'dev': DEV_REQUIRES + URSULA_REQUIRES,
     'benchmark': DEV_REQUIRES + BENCHMARK_REQUIRES,
     'deploy': DEPLOY_REQUIRES,
-    # 'docs': DOC_REQUIRES,
-
-    # User
     'ursula': URSULA_REQUIRES,
-    'alice': ALICE_REQUIRES,
-    'bob': BOB_REQUIRES,
 }