Removes Unattach from emitter

We don't really need that proxy. As the main idea is to move the
ownership from a model to the particle manager.

source/graphics/ParticleManager.cpp

@@ -61,6 +61,7 @@ CParticleEmitterTypePtr CParticleManager::LoadEmitterType(const VfsPath& path)
 
 void CParticleManager::AddUnattachedEmitter(const CParticleEmitterPtr& emitter)
 {
+	emitter->m_Active = false;
 	m_UnattachedEmitters.push_back(emitter);
 }