rm unused imports in deb_apache module

************* Module salt.modules.deb_apache
salt/modules/deb_apache.py:14: [W0611(unused-import), ] Unused import urllib2
salt/modules/deb_apache.py:12: [W0611(unused-import), ] Unused import re
Merge pull request #10397 from cvrebert/patch-1

rm unused imports in deb_apache module