Revert "remotelinux: don't double-add plugin to object pool"

Revert the fix of the fix of the fix. Obviously plugins are no longer
automatically added, so we need to do it manually after all.

This reverts commit 795dc8c9ac.

Change-Id: If1471c6f9ad7271aacd2c2f14e48d7e2afbf778c
Reviewed-by: hjk <qthjk@ovi.com>

src/plugins/remotelinux/remotelinuxplugin.cpp

@@ -73,6 +73,7 @@ bool RemoteLinuxPlugin::initialize(const QStringList &arguments,
 
     LinuxDeviceConfigurations::instance(this);
 
+    addObject(this);
     addAutoReleasedObject(new LinuxDeviceConfigurationsSettingsPage);
     addAutoReleasedObject(new GenericLinuxDeviceConfigurationFactory);
     addAutoReleasedObject(new RemoteLinuxRunConfigurationFactory);
@@ -88,6 +89,11 @@ bool RemoteLinuxPlugin::initialize(const QStringList &arguments,
     return true;
 }
 
+RemoteLinuxPlugin::~RemoteLinuxPlugin()
+{
+    removeObject(this);
+}
+
 void RemoteLinuxPlugin::extensionsInitialized()
 {
     /*

src/plugins/remotelinux/remotelinuxplugin.h

@@ -44,6 +44,7 @@ class RemoteLinuxPlugin : public ExtensionSystem::IPlugin
 
 public:
     RemoteLinuxPlugin();
+    ~RemoteLinuxPlugin();
 
     bool initialize(const QStringList &arguments, QString *errorMessage);
     void extensionsInitialized();