fix: prune don't filter ts files

[fengmk2]

No description provided.

[fengmk2]

ts 文件基本都会有了，不应该过滤了。

[codecov]

Codecov Report

Merging #304 into master will increase coverage by 1.27%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #304      +/-   ##
==========================================
+ Coverage   92.15%   93.42%   +1.27%     
==========================================
  Files          29       29              
  Lines        1886     1886              
==========================================
+ Hits         1738     1762      +24     
+ Misses        148      124      -24

Impacted Files	Coverage Δ
lib/download/npm.js	86.98% <ø> (ø)	⬆️
bin/link.js	87.5% <0%> (-5%)	⬇️
lib/utils.js	92.08% <0%> (-0.72%)	⬇️
lib/install.js	98.85% <0%> (+0.57%)	⬆️
lib/local_install.js	98.41% <0%> (+11.5%)	⬆️

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[dead-horse]

+1