fix(bs/n) remove unnecessary variable

to remove ambiguity

(before it was possible to loop over either topics or keys

by only keeping keys, there's no confusing about what to use for the
loop range

License: MIT
Signed-off-by: Brian Tiger Chow <brian@perfmode.com>
chore(util) remove forward

License: MIT
Signed-off-by: Brian Tiger Chow <brian@perfmode.com>
hotfix(dep) duplicates TEMP DONT MERGE TO MASTER

before merging, fork and send a PR to tuxy

License: MIT
Signed-off-by: Brian Tiger Chow <brian@perfmode.com>