Remove obsolete re import in html/views.py

This import slipped in from a previous commit (wrong fork, wrong
branch, had to cherry pick, resolve conflicts, ...)
Anyway, I actually think it already slipped into the original commit
by accident:
z3r0w0n@74fad83

Author: lukpueh

website/html/views.py

@@ -22,7 +22,6 @@
 import shutil
 import subprocess
 import xmlrpclib
-import re
 import ssl
 
 # Needed to escape characters for the Android referrer...