Split the importer module out from the installer module (#468)

* Split the importer module out from the installer module

* Cleanup of unused imports

* Move updater into separate module #453

* Remove unused imports/formatting

* Disable the install and importer modules at the end of the setup

* Unused imports; update IJ style

* test explicit stage for php+mysql

* add more to matrix

* Add different MariaDB versions

* undo

app/Services/Installer/InstallerService.php

@@ -3,6 +3,7 @@
 namespace App\Services\Installer;
 
 use App\Contracts\Service;
+use Nwidart\Modules\Facades\Module;
 
 class InstallerService extends Service
 {
@@ -36,4 +37,16 @@ class InstallerService extends Service
 
         return false;
     }
+
+    /**
+     * Disable the installer and importer modules
+     */
+    public function disableInstallerModules()
+    {
+        $module = Module::find('installer');
+        $module->disable();
+
+        $module = Module::find('importer');
+        $module->disable();
+    }
 }