Remove unnecessary imports from qvm-clone

qvm-tools/qvm-clone

@@ -17,16 +17,15 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program; if not, write to the Free Software
-# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
-#
-#
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
+# USA.
 
-from qubes.qubes import QubesVmCollection
-from qubes.qubes import QubesAppVm, QubesTemplateVm, QubesHVm
-from qubes.qubes import QubesException
-from optparse import OptionParser;
-import sys
 import os
+import sys
+from optparse import OptionParser
+
+from qubes.qubes import QubesVmCollection
+
 
 def main():
     usage = "usage: %prog [options] <src-name> <new-name>\n"\