pgAdmin 4 commit: Using the '.eslintignore' config file for excludingt

Using the '.eslintignore' config file for excluding the temporary,
vendor specific, and templates files, instead of writing our own logic
to do so.

Patch by: Anthony & Joao
Reviewed by: Khushboo

Branch
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master

Details
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https://git.postgresql.org/gitweb?p=pgadmin4.git;a=commitdiff;h=a7ee85619dfd4cf42a43919beeb1cd1680f46d53
Author: Anthony Emengo 

Modified Files
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web/.eslintignore |  5 +++++
web/package.json  |  2 +-
web/pga_eslint.js | 44 --------------------------------------------
3 files changed, 6 insertions(+), 45 deletions(-)