Revert "Simplify ESLint installation for standard style."
Revert "Simplify ESLint installation for standard style."

This reverts commit 8f0beb27eadb51227548f8173040feae3fd5e1b6.

jp7677/hellocoreclr,jp7677/hellocoreclr,jp7677/hellocoreclr,jp7677/hellocoreclr