remove http request in validatebasic

[sunnya97]

closes #46

• Targeted PR against correct branch (see CONTRIBUTING.md)

• Linked to github-issue with discussion and accepted design OR link to spec that describes this work.

• Wrote tests

• Updated relevant documentation (docs/)

• Added a relevant changelog entry to the Unreleased section in CHANGELOG.md

• Reviewed Files changed in the github PR explorer

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For Admin Use:

• Added appropriate labels to PR (ex. wip, ready-for-review, docs)
• Reviewers Assigned
• Squashed all commits, uses message "Merge PR #XYZ: [title]" (coding standards)

[codecov-io]

Codecov Report

Merging #48 into master will increase coverage by 0.18%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master      #48      +/-   ##
==========================================
+ Coverage   61.46%   61.64%   +0.18%     
==========================================
  Files          15       15              
  Lines        1095     1095              
==========================================
+ Hits          673      675       +2     
+ Misses        356      354       -2     
  Partials       66       66

Impacted Files	Coverage Δ
lcd_test/helpers.go	76.25% <0%> (+0.71%)	⬆️

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[ethanfrey]

Proper cleanup. Thank you.