delete logs after rotation

This commit deletes the logfile after compression.

The current rotation keeps the logfiles which quickly fills up any
zram compressed log mounts which will cause the pwnagotchi to hang.

Signed-off-by: SK <74106733+skontrolle@users.noreply.github.com>

pwnagotchi/log.py

@@ -307,3 +307,5 @@ def do_rotate(filename, stats, cfg):
     with open(log_filename, 'rb') as src:
         with gzip.open(archive_filename, 'wb') as dst:
             dst.writelines(src)
+
+    os.remove(log_filename)