pgAdmin 4 commit: Fixed SonarQube issues.

Fixed SonarQube issues.

Branch
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master

Details
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https://git.postgresql.org/gitweb?p=pgadmin4.git;a=commitdiff;h=f5793e9a7ac530d074c77b995414acb6ad6136c9
Author: Aditya Toshniwal <aditya.toshniwal@enterprisedb.com>

Modified Files
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web/pgadmin/about/static/js/about.js               |  8 +--
.../misc/statistics/static/js/Statistics.jsx       | 30 ++--------
web/pgadmin/static/js/clipboard.js                 |  4 +-
web/pgadmin/static/js/size_prettify.js             | 31 ----------
web/pgadmin/static/js/utils.js                     | 27 +++++++++
.../static/js/import_export_servers.js             |  5 --
web/regression/javascript/size_prettify_spec.js    | 68 ----------------------
7 files changed, 35 insertions(+), 138 deletions(-)