Don't try and use HTTP to solve the name of a non-http URL

[oxinabox]

This is just an Idea.

I know right now
you'll get a warning if the remote path doesn't resolve as a HTTP URL.
I've never fixed it since since no one is using DataDeps with nonHTTP.

This is the simple way to fix it.

[codecov-io]

Codecov Report

Merging #45 into master will decrease coverage by 0.13%.
The diff coverage is 85.71%.

@@            Coverage Diff             @@
##           master      #45      +/-   ##
==========================================
- Coverage   64.67%   64.54%   -0.14%     
==========================================
  Files          11       11              
  Lines         218      220       +2     
==========================================
+ Hits          141      142       +1     
- Misses         77       78       +1

Impacted Files	Coverage Δ
src/filename_solving.jl	95.45% <85.71%> (-4.55%)	⬇️

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[oxinabox]

Closed by #54