remove unnecessary unescape function

[pveyes]

Turns out this is unnecessary and introduces security risk

[codecov]

Codecov Report

Merging #114 into master will decrease coverage by 0.06%.
The diff coverage is 100%.

@@            Coverage Diff            @@
##           master    #114      +/-   ##
=========================================
- Coverage   97.16%   97.1%   -0.07%     
=========================================
  Files           5       5              
  Lines         141     138       -3     
  Branches       47      47              
=========================================
- Hits          137     134       -3     
  Misses          2       2              
  Partials        2       2

Impacted Files	Coverage Δ
src/browser.ts	98.33% <100%> (-0.08%)	⬇️

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