Remove NODE_ENV check

Motivation: tj#1955

Author: aweebit

lib/command.js

@@ -12,8 +12,6 @@ const { suggestSimilar } = require('./suggestSimilar');
 
 // @ts-check
 
-const PRODUCTION = process.env.NODE_ENV === 'production';
-
 class Command extends EventEmitter {
   /**
    * Initialize a new `Command`.
@@ -2092,7 +2090,7 @@ Expecting one of '${allowedValues.join("', '")}'`);
    */
 
   _checkForObscuredHelpOption(makeMessage) {
-    if (!PRODUCTION && this._hasHelpOption) {
+    if (this._hasHelpOption) {
       const shortMatchingOption = this._helpOption.short &&
         this._findOption(this._helpOption.short);
       if (shortMatchingOption || !this._helpOption.short) {