1537 remove serialize config

[ilija-lazoroski]

What does this PR do?

Fixes #1537 remove serialize config.

PR Checklist

• Have you added an explanation of what your changes do and why you'd like to include them?
• Is the TravisCI build passing?
• Was the CHANGELOG.md updated to reflect the changes?
• Was the documentation framework updated to reflect the changes?

Testing Checklist

• Added relevant unit tests?
• Have you successfully tested your changes locally? Elaborate:

  Tested by {Running the Monkey locally with relevant config/running Island/...}

• If applicable, add screenshots or log transcripts of the feature working

Explain Changes

[codecov]

Codecov Report

Merging #1587 (cb06f40) into develop (c6db7a6) will increase coverage by 0.00%.
The diff coverage is n/a.

@@           Coverage Diff            @@
##           develop    #1587   +/-   ##
========================================
  Coverage    44.74%   44.75%           
========================================
  Files          474      474           
  Lines        13864    13859    -5     
========================================
- Hits          6204     6203    -1     
+ Misses        7660     7656    -4     

Impacted Files	Coverage Δ
monkey/infection_monkey/config.py	62.30% <ø> (-0.29%)	⬇️
monkey/infection_monkey/main.py	0.00% <ø> (ø)
...onkey_island/cc/services/config_schema/internal.py	100.00% <ø> (ø)

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