Remove sudo from "./aws install" in library build action

[jmazanec15]

Issue #, if available:

Description of changes:
Related to this action failure: https://github.com/opendistro-for-elasticsearch/k-NN/runs/1028922087?check_suite_focus=true

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[codecov]

Codecov Report

Merging #202 into master will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master     #202   +/-   ##
=========================================
  Coverage     76.44%   76.44%           
  Complexity      301      301           
=========================================
  Files            50       50           
  Lines          1163     1163           
  Branches        100      100           
=========================================
  Hits            889      889           
  Misses          225      225           
  Partials         49       49           

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[vamshin]

LGTM!