remove hacks for JS modules in legacy controller system

Author: Be-ing

src/controllers/controllerpreset.h

@@ -57,14 +57,6 @@ class ControllerPreset {
         return m_scripts;
     }
 
-    void setModuleFileInfo(QFileInfo fileInfo) {
-        m_moduleFileInfo = fileInfo;
-    }
-
-    QFileInfo moduleFileInfo() const {
-        return m_moduleFileInfo;
-    }
-
     inline void setDirty(bool bDirty) {
         m_bDirty = bDirty;
     }
@@ -186,7 +178,6 @@ class ControllerPreset {
     QString m_mixxxVersion;
 
     QList<ScriptFileInfo> m_scripts;
-    QFileInfo m_moduleFileInfo;
 };
 
 typedef QSharedPointer<ControllerPreset> ControllerPresetPointer;

src/controllers/controllerpresetfilehandler.cpp

@@ -144,9 +144,6 @@ void ControllerPresetFileHandler::addScriptFilesToPreset(
         preset->addScriptFile(filename, functionPrefix, file);
         scriptFile = scriptFile.nextSiblingElement("file");
     }
-
-    QString moduleFileName = controller.firstChildElement("module").text();
-    preset->setModuleFileInfo(preset->dirPath().absoluteFilePath(moduleFileName));
 }
 
 bool ControllerPresetFileHandler::writeDocument(