Cleanup - QFileInfo derp and unused variables

logic/OneSixFTBInstance.cpp

@@ -108,7 +108,6 @@ QDir OneSixFTBInstance::versionsPath() const
 
 QStringList OneSixFTBInstance::externalPatches() const
 {
-	I_D(OneSixInstance);
 	return QStringList() << versionsPath().absoluteFilePath(intendedVersionId() + "/" + intendedVersionId() + ".json")
 						 << minecraftRoot() + "/pack.json";
 }

logic/minecraft/InstanceVersion.cpp

@@ -357,7 +357,6 @@ int InstanceVersion::columnCount(const QModelIndex &parent) const
 void InstanceVersion::saveCurrentOrder() const
 {
 	PatchOrder order;
-	int index = 0;
 	for(auto item: VersionPatches)
 	{
 		if(!item->isMoveable())

logic/minecraft/MinecraftVersionList.cpp

@@ -213,8 +213,6 @@ void MinecraftVersionList::loadMojangList(QJsonDocument jsonDoc, VersionSource s
 	QList<BaseVersionPtr> tempList;
 	for (auto version : versions)
 	{
-		bool is_snapshot = false;
-
 		// Load the version info.
 		if (!version.isObject())
 		{
@@ -274,19 +272,15 @@ void MinecraftVersionList::loadMojangList(QJsonDocument jsonDoc, VersionSource s
 		// OneSix or Legacy. use filter to determine type
 		if (versionTypeStr == "release")
 		{
-			is_snapshot = false;
 		}
 		else if (versionTypeStr == "snapshot") // It's a snapshot... yay
 		{
-			is_snapshot = true;
 		}
 		else if (versionTypeStr == "old_alpha")
 		{
-			is_snapshot = false;
 		}
 		else if (versionTypeStr == "old_beta")
 		{
-			is_snapshot = false;
 		}
 		else
 		{