misc cleanups

.circleci/config.yml

@@ -85,7 +85,6 @@ jobs:
           # readable.
           working_directory: "/tmp"
           command: |
-            env
             /tmp/project/.circleci/setup-virtualenv.sh "${TAHOE_LAFS_TOX_ENVIRONMENT}" "${TAHOE_LAFS_TOX_ARGS}"
 
       - run: &RUN_TESTS
@@ -94,7 +93,6 @@ jobs:
           # if the working directory is not readable.
           working_directory: "/tmp"
           command: |
-            env
             /tmp/project/.circleci/run-tests.sh "${TAHOE_LAFS_TOX_ENVIRONMENT}" "${TAHOE_LAFS_TOX_ARGS}"
 
       - store_artifacts: &STORE_TEST_LOG

.circleci/setup-virtualenv.sh

@@ -10,10 +10,6 @@ shift || :
 # non-root user.  See below.
 sudo --set-home -u nobody virtualenv --python python2.7 /tmp/tests
 
-# Slackware has non-working SSL support in setuptools until certifi is
-# installed.  SSL support in setuptools is needed in case packages use
-# `setup_requires` which gets satisfied by setuptools instead of by pip.
-# txi2p (vcversioner) is one such package.  Twisted (incremental) is another.
 sudo --set-home -u nobody /tmp/tests/bin/pip install tox codecov
 
 # Get everything else installed in it, too.