Remove extraneous catch clauses

[TehShrike]

Surfaced by eslint again – I'm pretty sure these don't do anything?

[codecov-commenter]

Codecov Report

Merging #8 into master will increase coverage by 0.90%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master       #8      +/-   ##
==========================================
+ Coverage   47.16%   48.07%   +0.90%     
==========================================
  Files           2        2              
  Lines         106      104       -2     
==========================================
  Hits           50       50              
+ Misses         56       54       -2     

Impacted Files	Coverage Δ
index.js	11.47% <ø> (+0.36%)	⬆️

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[lukeed]

Yeah, I think I was doing something in here originally & then just decided to forward it.
Thanks~