Changes as per comments on the PR

src/app/components/AvailableModulesMenu.jsx

@@ -312,7 +312,7 @@ export default class AvailableModulesMenu extends TranslatedComponent {
     let itemsOnThisRow = 0;
     for (let i = 0; i < sortedModules.length; i++) {
       let m = sortedModules[i];
-      if (ModuleUtils.isMissingModule(m.info)) {
+      if (m.grp == 'mh' || m.grp == 'mm') {
         // If this is a missing module, skip it
         continue;
       }

src/app/components/StandardSlot.jsx

@@ -93,6 +93,7 @@ export default class StandardSlot extends TranslatedComponent {
       this._modificationsSelected = false;
     }
 
+    // If this is a missing module, therefore has the 'info' field, set the warning value on the module to be true when loaded.
     if (m.info) {
       warning = () => true;
     }

src/app/shipyard/ModuleUtils.js

@@ -322,15 +322,6 @@ export function isShieldGenerator(g) {
   return g == 'sg' || g == 'psg' || g == 'bsg';
 }
 
-/**
- * Determine if a module group is a missing module
- * @param  {String}  info Module Group name
- * @return {Boolean}   True if the group is a missing module
- */
-export function isMissingModule(info) {
-  return info == 'Not in Coriolis yet. Check GitHub issues. Add Issue if needed.';
-}
-
 /**
  * Creates a new ModuleSet that contains all available modules
  * that the specified ship is eligible to use.