Remove unnecessary ESLint env changes

Unlike airbnb-base/legacy, the airbnb-base config includes the node env
and does not include the browser env by default.  Leave as-is.

Signed-off-by: Kevin Locke <[email protected]>

Author: kevinoid

.eslintrc.yaml

@@ -8,12 +8,6 @@ extends: "airbnb-base"
 parserOptions:
   sourceType: "script"
 
-env:
-  node: true
-  ## disable unwanted browser env from airbnb/legacy
-  # Note: Only works for ESLint 2+: https://github.com/eslint/eslint/issues/3915
-  browser: false
-
 rules:
   # Possible Errors
   # list: https://github.com/eslint/eslint/tree/master/docs/rules#possible-errors