disable no-alert eslint rule for node code

Summary: `no-alert` doesn’t play nice with flow type spreads. We don’t need it for node, anyway.

Reviewed By: jeanlauliac

Differential Revision: D4993096

fbshipit-source-id: 95785843d3263520c063a43864c8053cbaa5083d

local-cli/.eslintrc

@@ -1,6 +1,7 @@
 {
   "rules": {
     "extra-arrow-initializer": 0,
+    "no-alert": 0,
     "no-console-disallow": 0
   },
   "env": {

packager/.eslintrc

@@ -1,6 +1,7 @@
 {
   "rules": {
     "extra-arrow-initializer": 0,
+    "no-alert": 0,
     "no-console-disallow": 0
   }
 }