[ez] Remove test262-all script

Just realized we can run all tests without encountering the arg limit if a 
string is passed in. 

This is much better because the test runner will count all tests in the parent 
test directory rather than run the tests in each subdirectory

compiler/forget/package.json

@@ -15,7 +15,8 @@
     "test": "yarn build && jest",
     "ts:analyze-trace": "scripts/ts-analyze-trace.sh",
     "test262": "yarn run --silent test262-harness --preprocessor=scripts/test262-preprocessor.js",
-    "test262:all": "scripts/test262-all.sh"
+    "test262:all": "yarn run --silent test262 'test262/test/**/*.js'",
+    "test262:ci": "yarn run --silent test262 --error-for-failures 'test262/test/**/*.js'"
   },
   "repository": {
     "type": "git",

compiler/forget/scripts/test262-all.sh

@@ -1,11 +0,0 @@
-#!/bin/bash
-# There are over 50,000+ tests in test262, and the test harness only accepts arrays of filepaths
-# not directories. This script iterates through all the test folders to break up the tests into
-# chunks.
-
-set -eo pipefail
-
-for dir in test262/test/*;
-do
-  yarn run --silent test262 $dir/**/*.js;
-done