remove wildcards from make spack core and packages

- This removes all wildcard imports EXCEPT `from spack import *` in packages

var/spack/repos/builtin/packages/openfoam-com/package.py

@@ -58,15 +58,15 @@
 # WM_PROJECT_VERSION=plus naming internally.
 #
 ##############################################################################
-from spack import *
-from spack.environment import *
-import llnl.util.tty as tty
-
 import glob
 import re
 import shutil
 import os
 
+from spack import *
+import llnl.util.tty as tty
+
+
 # Not the nice way of doing things, but is a start for refactoring
 __all__ = [
     'add_extra_files',