LIB-1591: Removed unnecessary packages

[dk1027]

Consolidating the changes from these PRs:
#127
#126

Jira ticket
https://segment.atlassian.net/browse/LIB-1595

Tests
Automated tests passing; released and tested on staging

[codecov-io]

Codecov Report

❗ No coverage uploaded for pull request base (master@61ff1a2). Click here to learn what that means.
The diff coverage is 100%.

@@            Coverage Diff            @@
##             master     #132   +/-   ##
=========================================
  Coverage          ?   97.75%           
=========================================
  Files             ?       12           
  Lines             ?      756           
  Branches          ?        0           
=========================================
  Hits              ?      739           
  Misses            ?       17           
  Partials          ?        0

Impacted Files	Coverage Δ
lib/cookie.js	94.73% <100%> (ø)
lib/normalize.js	100% <100%> (ø)

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[ndhoule]

Codecov Report

Merging #132 into master will decrease coverage by 0.00%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #132      +/-   ##
==========================================
- Coverage   97.75%   97.75%   -0.01%     
==========================================
  Files          12       12              
  Lines         758      756       -2     
==========================================
- Hits          741      739       -2     
  Misses         17       17              

---

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Δ = absolute <relative> (impact), ø = not affected, ? = missing data
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