Unused imports are removed.

Author: shtaxxx

veriloggen/lib/pipeline.py

@@ -2,7 +2,6 @@
 from __future__ import print_function
 import os
 import sys
-import collections
 from functools import reduce
 
 import veriloggen.vtypes as vtypes

veriloggen/lib/seq.py

@@ -3,7 +3,6 @@
 import os
 import sys
 import collections
-import functools
 
 import veriloggen.vtypes as vtypes
 from veriloggen.subst_visitor import SubstDstVisitor