Fix the robot description XML path of ARMAR-III

source/RobotAPI/components/armem/addon/LegacyRobotStateMemoryAdapter/LegacyRobotStateMemoryAdapter.cpp

@@ -270,7 +270,7 @@ namespace armarx::armem
         desc.name = "Armar3";
         desc.timestamp = armem::Time::Now();
         desc.xml.package = "RobotAPI";
-        desc.xml.path = "RobotAPI/robots/Armar3/ArmarIII.xml";
+        desc.xml.path = "robots/Armar3/ArmarIII.xml";
 
         armem::Commit c;
         auto& entityUpdate = c.add();