EMotion FX: Crash in the actor builder when fbx meta data contains node groups (#4283)

Fixing a crash related to the small array conversion that made multiple assets crash the actor builder.

Signed-off-by: Benjamin Jillich <jillich@amazon.com>

Gems/EMotionFX/Code/EMotionFX/Source/NodeGroup.cpp

@@ -6,12 +6,10 @@
  *
  */
 
-// include the required headers
 #include "NodeGroup.h"
 #include "ActorInstance.h"
 #include <EMotionFX/Source/Allocators.h>
 
-
 namespace EMotionFX
 {
     AZ_CLASS_ALLOCATOR_IMPL(NodeGroup, NodeAllocator, 0)
@@ -104,10 +102,7 @@ namespace EMotionFX
     // remove a given node by its node number
     void NodeGroup::RemoveNodeByNodeIndex(uint16 nodeIndex)
     {
-        if (const auto found = AZStd::find(begin(m_nodes), end(m_nodes), nodeIndex); found)
-        {
-            m_nodes.erase(found);
-        }
+        m_nodes.erase(AZStd::remove(m_nodes.begin(), m_nodes.end(), nodeIndex), m_nodes.end());
     }