Add AZ_BUDGET_DEFINE/AZ_BUDGET_DECLARE and remove driller

NOTE: The memory driller is still intact for now to avoid needing to
modify allocators, but the frame/cpu portions of driller and the
standalone executable are now gone.

Signed-off-by: Jeremy Ong <jcong@amazon.com>

Code/Editor/Objects/GizmoManager.cpp

@@ -18,8 +18,6 @@
 //////////////////////////////////////////////////////////////////////////
 void CGizmoManager::Display(DisplayContext& dc)
 {
-    FUNCTION_PROFILER(GetIEditor()->GetSystem(), PROFILE_EDITOR);
-
     AABB bbox;
     std::vector<CGizmo*> todelete;
     for (Gizmos::iterator it = m_gizmos.begin(); it != m_gizmos.end(); ++it)