dev-requirements.txt: Remove obsolete comments

This also fixes an error with pylint in setup.py:
setup.py:226:19: R1718: Consider using a set comprehension (consider-using-set-comprehension)

1 files changed, 1 insertions, 2 deletions

diff --git a/setup.py b/setup.py
index 700d9df96..f41289f12 100755
--- a/setup.py
+++ b/setup.py
@@ -223,8 +223,7 @@ def get_cmdclass():
 #####################################################
 setup_requires = set(['pytest-runner'])
 with open('dev-requirements.txt') as dev_reqs:
-    dev_requires = set([line for line in dev_reqs.read().split('\n')
-                        if not line.strip().startswith('#')])
+    dev_requires = dev_reqs.read().splitlines()
 
 
 #####################################################