src-expose: remove subcommand flagsets

Created by: keegancsmith

They are unused. Except in one case where there was both a globalAddr and a serveAddr. It was confusing which one took priority, so instead we remove both.

Created by: codecov[bot]

Codecov Report

Merging #9005 into master will decrease coverage by <.01%. The diff coverage is 0%.

@@            Coverage Diff             @@
##           master    #9005      +/-   ##
==========================================
- Coverage    41.7%   41.69%   -0.01%     
==========================================
  Files        1314     1314              
  Lines       70890    70895       +5     
  Branches     6550     6550              
==========================================
  Hits        29563    29563              
- Misses      38631    38636       +5     
  Partials     2696     2696

Impacted Files	Coverage Δ
dev/src-expose/main.go	9.09% <0%> (-0.25%)
dev/src-expose/serve.go	0% <0%> (ø)