Remove commented line

pipenv/utils.py

@@ -470,7 +470,6 @@ def actually_resolve_reps(deps, index_lookup, markers_lookup, project, sources,
             constraint = pip.req.InstallRequirement.from_editable(dep[len('-e '):])
         else:
             constraint = [c for c in pip.req.parse_requirements(t, session=pip._vendor.requests)][0]
-            # extra_constraints = []
 
         if ' -i ' in dep:
             index_lookup[constraint.name] = project.get_source(url=dep.split(' -i ')[1]).get('name')