Cleanup/CLI arguments

[x4v13r64]

Removes the --vpc and --resume CLI arguments as they aren't implemented.

[codecov-io]

Codecov Report

Merging #400 into develop will decrease coverage by 0.1%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##           develop     #400      +/-   ##
===========================================
- Coverage    34.42%   34.31%   -0.11%     
===========================================
  Files          192      192              
  Lines         6339     6361      +22     
===========================================
+ Hits          2182     2183       +1     
- Misses        4157     4178      +21

Impacted Files	Coverage Δ
ScoutSuite/core/cli_parser.py	12.16% <ø> (+0.32%)	⬆️
ScoutSuite/__main__.py	16.81% <0%> (-3.42%)	⬇️

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