Clean up eslintrc in favour of defaults

plugins/woocommerce-beta-tester/.eslintrc

@@ -5,31 +5,9 @@
 		"browser": true,
 		"node": true
 	},
-	"globals": {
-		"wp": true,
-		"es6": true
-	},
 	"rules": {
 		"camelcase": 0,
-		"indent": 0,
-		"max-len": [
-			2,
-			{
-				"code": 140
-			}
-		],
-		"no-console": 1,
-		// temporary conversion to warnings until the below are all handled.
-		"@wordpress/i18n-translator-comments": "warn",
-		"@wordpress/valid-sprintf": "warn",
-		"jsdoc/check-tag-names": [
-			"error",
-			{ "definedTags": [ "jest-environment" ] }
-		],
 		"react/react-in-jsx-scope": "off",
 		"no-alert": "off"
-	},
-	"parserOptions": {
-		"ecmaVersion": 6
 	}
 }