Update ESLint config to fix lint errors

.eslintrc.json

@@ -72,7 +72,6 @@
     "key-spacing": ["error", {"beforeColon": false, "afterColon": true}],
     "keyword-spacing": ["error", {"before": true, "after": true}],
     "linebreak-style": ["error", "unix"],
-    "multiline-comment-style": ["error", "starred-block"],
     "new-cap": "error",
     "new-parens": "error",
     "no-array-constructor": "error",
@@ -92,7 +91,7 @@
     "space-before-function-paren": ["error", "never"],
     "space-in-parens": ["error", "never"],
     "space-infix-ops": "error",
-    "spaced-comment": ["error", "always"],
+    "spaced-comment": ["error", "always", {"markers": ["/"]}],
     "switch-colon-spacing": ["error", {"before": false, "after": true}],
     "arrow-body-style": ["error", "as-needed", {"requireReturnForObjectLiteral": false}],
     "arrow-parens": ["error", "as-needed"],