Replace del list element removal with remove(), fix #11

[joswr1ght]

No description provided.

[joswr1ght]

$ python3 gcpbucketbrute.py -u -k aa

Generated 1215 bucket permutations.

    EXISTS: 01aa
    EXISTS: aastorage
    EXISTS: aa_staging
    EXISTS: aa-sql
    EXISTS: sqlaa
    EXISTS: backupsaa
    EXISTS: aagcp
    EXISTS: aa_test
    EXISTS: test-aa
    EXISTS: aa01
    EXISTS: bakaa
    EXISTS: aa-web
    EXISTS: testaa
    EXISTS: aa-files

    UNAUTHENTICATED ACCESS ALLOWED: aamobile
...

[joswr1ght]

Hey guys, any chance you can merge in this PR? Thanks!