chore: cleanup node-args references

Author: anshumanv

packages/webpack-cli/README.md

@@ -54,7 +54,6 @@ yarn add webpack-cli --dev
   -j, --json               Prints result as JSON
   --mode string            Defines the mode to pass to webpack
   -v, --version            Get current version
-  --node-args string[]     NodeJS flags
   --stats string           It instructs webpack on how to treat the stats
   --no-stats               Disables stats output
 ```

packages/webpack-cli/lib/utils/cli-flags.js

@@ -236,14 +236,6 @@ module.exports = {
             group: HELP_GROUP,
             description: 'Get current version',
         },
-        {
-            name: 'node-args',
-            usage: '--node-args "--max-old-space-size=1024"',
-            type: String,
-            multiple: true,
-            group: BASIC_GROUP,
-            description: 'NodeJS flags',
-        },
         {
             name: 'stats',
             usage: '--stats <value>',