Revert "Add the jobid in the temp directory prefix"

This reverts commit 668b02ae93.

ocitysmap2/__init__.py

@@ -444,12 +444,8 @@ SELECT ST_AsText(ST_LongestLine(
 
         osm_date = self.get_osm_database_last_update()
 
-        # Ugly way to get the job id, that we need for debugging
-        # purposes to get a useful name for the temporary directory.
-        jobid = file_prefix.split('_')[0]
-
         # Create a temporary directory for all our shape files
-        tmpdir = tempfile.mkdtemp(prefix='ocitysmap-%d-', int(jobid))
+        tmpdir = tempfile.mkdtemp(prefix='ocitysmap')
         try:
             LOG.debug('Rendering in temporary directory %s' % tmpdir)